{"title":"Triple Blocks","description":"\u003cp\u003eTriple blocks providing increased mechanical advantage in sail handling. \u003ca href=\"#seo-description\"\u003eClick here to read more.\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"ron-rf15302","title":"Ronstan Series 15 BB Block, Triple","description":"\u003cp\u003eRonstan's Ball Bearing 15mm, conceived and engineered for the demands of competitive sailing in skiff, Olympic and sports boats classes, have rapidly become the international choice for high performance hardware.\u003c\/p\u003e\u003cp\u003eOur Part # RON-RF15302 | Ronstan Part # RF15302\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347662905650,"sku":"RON-RF15302","price":36.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RON-RF15302.jpg?v=1728029215"},{"product_id":"ron-rf15312","title":"Ronstan Series 15 BB Block, Triple Becket","description":"\u003cp\u003eRonstan's Ball Bearing 15mm, conceived and engineered for the demands of competitive sailing in skiff, Olympic and sports boats classes, have rapidly become the international choice for high performance hardware.\u003c\/p\u003e\u003cp\u003eOur Part # RON-RF15312 | Ronstan Part # RF15312\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347699081522,"sku":"RON-RF15312","price":40.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RON-RF15312.jpg?v=1728041407"},{"product_id":"ronrf20302","title":"Ronstan Series 20 BB Block, Triple","description":"\u003cp\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance \u0026amp; low friction. Two-way head - can be fixed at 0 or 90 degrees\u003c\/p\u003e\u003cp\u003eOur Part # RONRF20302 | Ronstan Part # RF20302\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347729260850,"sku":"RONRF20302","price":45.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF20302.jpg?v=1735835401"},{"product_id":"karpf790030t","title":"Karver KBO2 Triple Block","description":"\u003cp\u003eThe rope shackle will never break due to the load or rust over the years.\u003c\/p\u003e\u003cp\u003eKBO lashing blocks have the best size to weight ratio on the market.\u003c\/p\u003e\u003cp\u003eKBO rope lashing makes fitting easier and quicker than standard shackles.\u003c\/p\u003e\u003cp\u003eFast Attachment:\u003c\/p\u003e\u003cp\u003eThe rope shackle is included with the block up to KBO30.\u003c\/p\u003e\u003cp\u003eSimplicity:\u003c\/p\u003e\u003cp\u003eEasy fitting from the lashing guide and rope shackle attachment simplifies the use of the KBO block.\u003c\/p\u003e\u003cp\u003eLightweight:\u0026gt;\u003c\/p\u003e\u003cp\u003eThe design and material optimisation make the block extremely light.\u003c\/p\u003e\u003cp\u003ePerformance:\u003c\/p\u003e\u003cp\u003eThe KBO block features a two stage bearing system from the KBO8 to enhance low friction.\u003c\/p\u003e\u003cp\u003eOur Part # KARPF790030T | Karver Part # PF790030T\u003c\/p\u003e","brand":"Karver","offers":[{"title":"Default Title","offer_id":49347740270898,"sku":"KARPF790030T","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/KARPF790030T.jpg?v=1728021428"},{"product_id":"ronrf20312","title":"Ronstan Series 20 BB Block, Triple Becket","description":"\u003cp\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance \u0026amp; low friction. Two-way head - can be fixed at 0 or 90 degrees\u003c\/p\u003e\u003cp\u003eOur Part # RONRF20312 | Ronstan Part # RF20312\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347747873074,"sku":"RONRF20312","price":49.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF20312.jpg?v=1735835408"},{"product_id":"ronrf82","title":"Ronstan Series 29 Triple Block, Loop Top","description":"\u003cp\u003eStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.\u003c\/p\u003e\u003cp\u003eOur Part # RONRF82 | Ronstan Part # RF82\u003c\/p\u003e\u003cp\u003eOur Part # RONRF82 | Ronstan Part # RF82\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347761930546,"sku":"RONRF82","price":43.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF82.jpg?v=1735835386"},{"product_id":"sel40210105r","title":"Selden 20 Ball Bearing Block - Triple","description":"\u003cp data-start=\"92\" data-end=\"626\"\u003eThe Selden 20 Ball Bearing Block - Triple (402-101-05R) is designed for control lines on dinghies and keelboats. Featuring stainless steel ball bearings for smooth rotation and glass fiber reinforced polyamide for strength and durability. Offers high strength and low friction for efficient line handling. Can be attached using a shackle or line for flexible rigging options. Ideal for high-performance rigs in demanding conditions. Perfect for sailors seeking reliable, low-friction operation.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40210105R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 402-101-05R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347774251314,"sku":"SEL40210105R","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40210105R.jpg?v=1728025759"},{"product_id":"ronrf35302","title":"Ronstan Series 30 BB Orbit Block, Triple","description":"\u003cp\u003eBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.\u003c\/p\u003e\u003cp\u003eMainsheet systems and spinnaker sheets on dinghies to 5 m (16 ft), halyard, vang and backstay applications on boats to 5 m (16 ft), control line applications on larger yachts.  Our Part # RONRF35302 | Ronstan Part # RF35302\u003c\/p\u003e\u003cp\u003eMainsheet systems and spinnaker sheets on dinghies to 5 m (16 ft), halyard, vang and backstay applications on boats to 5 m (16 ft), control line applications on larger yachts.\u003c\/p\u003e\u003cp\u003eOur Part # RONRF35302 | Ronstan Part # RF35302\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347774677298,"sku":"RONRF35302","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF35302.jpg?v=1735835404"},{"product_id":"ronrf35312","title":"Ronstan Series 30 BB Orbit Block, Triple, Becket","description":"\u003cp\u003eBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.\u003c\/p\u003e\u003cp\u003eMainsheet systems and spinnaker sheets on dinghies to 5 m (16 ft), halyard, vang and backstay applications on boats to 5 m (16 ft), control line applications on larger yachts.  Our Part # RONRF35312 | Ronstan Part # RF35312\u003c\/p\u003e\u003cp\u003eMainsheet systems and spinnaker sheets on dinghies to 5 m (16 ft), halyard, vang and backstay applications on boats to 5 m (16 ft), control line applications on larger yachts.\u003c\/p\u003e\u003cp\u003eOur Part # RONRF35312 | Ronstan Part # RF35312\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347789979954,"sku":"RONRF35312","price":56.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF35312.jpg?v=1735835411"},{"product_id":"sel40210106r","title":"Selden 20 Ball Bearing Block - Triple Becket","description":"\u003cp data-start=\"92\" data-end=\"643\"\u003eThe Selden 20 Ball Bearing Block - Triple Becket (402-101-06R) is a 20mm ball bearing block designed for control lines on dinghies and keelboats. It features stainless steel ball bearings for smooth, low-friction rotation. Built to be both lightweight and strong, ideal for demanding sailing conditions. Can be easily attached with a shackle or line for flexible rigging. Perfect for high-performance rigs requiring reliable and efficient operation. Designed for durability in both static and dynamic load applications.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40210106R | Selden Part # 402-101-06R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347791847730,"sku":"SEL40210106R","price":56.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40210106R.jpg?v=1728033699"},{"product_id":"sel40220110r","title":"Selden 25 High Load Ball Bearing Block - Triple","description":"\u003cp\u003eThe Selden 25 High Load Ball Bearing Block - Triple (402-201-10R) is designed for dynamic loads on smaller boats. It features a 25mm high load ball bearing for smooth operation. Ideal for use with wire and rope up to 5mm, perfect for rigging control lines, halyards, and tackles. The stainless steel construction provides strength and rigidity. Ball cages reduce friction and weight for better efficiency. The triple becket offers easy attachment for multiple control lines and tackles.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40220110R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 402-201-10R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347803480370,"sku":"SEL40220110R","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40220110R.jpg?v=1728060200"},{"product_id":"sel40220111r","title":"Selden 25 High Load Ball Bearing Block - Triple Becket","description":"\u003cp\u003eThe Selden 25 High Load Ball Bearing Block - Triple Becket (402-201-11R) is designed for dynamic loads on smaller boats. It features a 25mm high load ball bearing for smooth, efficient operation. Ideal for use with wire and rope up to 5mm, perfect for rigging control lines, halyards, and tackles. The stainless steel construction ensures strength and rigidity. Ball cages reduce friction and weight for improved performance. The triple becket allows easy attachment for multiple control lines.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40220111R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 402-201-11R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347827794226,"sku":"SEL40220111R","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40220111R.jpg?v=1728042701"},{"product_id":"karpf650030t","title":"Karver KBO4 Triple Block","description":"\u003cp\u003eThe rope shackle will never break due to the load or rust over the years.\u003c\/p\u003e\u003cp\u003eKBO lashing blocks have the best size to weight ratio on the market.\u003c\/p\u003e\u003cp\u003eKBO rope lashing makes fitting easier and quicker than standard shackles.\u003c\/p\u003e\u003cp\u003eFast Attachment:\u003c\/p\u003e\u003cp\u003eThe rope shackle is included with the block up to KBO30.\u003c\/p\u003e\u003cp\u003eSimplicity:\u003c\/p\u003e\u003cp\u003eEasy fitting from the lashing guide and rope shackle attachment simplifies the use of the KBO block.\u003c\/p\u003e\u003cp\u003eLightweight:\u0026gt;\u003c\/p\u003e\u003cp\u003eThe design and material optimisation make the block extremely light.\u003c\/p\u003e\u003cp\u003ePerformance:\u003c\/p\u003e\u003cp\u003eThe KBO block features a two stage bearing system from the KBO8 to enhance low friction.\u003c\/p\u003e\u003cp\u003eOur Part # KARPF650030T | Karver Part # PF650030T\u003c\/p\u003e","brand":"Karver","offers":[{"title":"Default Title","offer_id":49347828023602,"sku":"KARPF650030T","price":197.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/KARPF650030T.jpg?v=1728036574"},{"product_id":"ant00306","title":"Antal Mini Block 34x6 Series - Triple Shackle w\/ Becket","description":"\u003cp\u003eS.steel mini blocks, triple block with becket, sheave 34. SWL 600 kg Available with cam cleat (Mod. 00306\/C)This series offers extremely high working loads (SWL: 34x6 = 400 kg, 40x8 = 500 kg) while still compact and lightweight.\u003c\/p\u003e\u003cp\u003eThe sheave is made of resin with a double lateral ball-bearing. Cheekplates are made of perfectly polished AISI 316 stainless steel. The high quality materials guarantee a maintenance-free product. Resin sheave with double self-captive ball bearings.\u003c\/p\u003e\u003cp\u003eOur Part # ANT00306 | Antal Part # 306\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":49347833856306,"sku":"ANT00306","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/ANT00306.png?v=1728015868"},{"product_id":"sel40310110r","title":"Selden 30 Ball Bearing Block - Triple Becket","description":"\u003cp data-start=\"92\" data-end=\"618\"\u003eThe Selden 30 Ball Bearing Block - Triple Becket (403-101-10R) features a 30mm ball bearing block with a stainless attachment eye and a becket for added rigging flexibility. It uses stainless steel ball bearings for smooth rotation and durability. Glass fiber reinforced polyamide sheaves and cheeks enhance strength. The acetal bearing cage reduces friction and weight. Ideal for moderate and dynamic loads with minimal friction. Perfect for high-performance rigs and demanding sailing conditions.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40310110R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 403-101-10R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347846963506,"sku":"SEL40310110R","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40310110R.jpg?v=1728037742"},{"product_id":"sel40310106r","title":"Selden 30 Ball Bearing Block - Triple Loop Head","description":"\u003cp data-start=\"92\" data-end=\"618\"\u003eThe Selden 30 Ball Bearing Block - Triple Loop Head (403-101-06R) is a 30mm ball bearing block with a stainless attachment eye for secure rigging. It features stainless steel ball bearings for strength and smooth rotation. Glass fiber reinforced polyamide sheaves and cheeks enhance durability. The acetal bearing cage reduces ball-to-ball friction and minimizes weight. Ideal for moderate and dynamic loads with low friction. Perfect for high-performance rigs requiring reliable, smooth operation.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40310106R | Selden Part # 403-101-06R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347846996274,"sku":"SEL40310106R","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40310106R.jpg?v=1728052189"},{"product_id":"ant00305","title":"Antal Mini Block 34x6 Series - Triple Shackle","description":"\u003cp\u003eS.steel mini blocks, triple block, sheave 34. SWL 600 kg Available with cam cleat (Mod. 00305\/C)This series offers extremely high working loads (SWL: 34x6 = 400 kg, 40x8 = 500 kg) while still compact and lightweight.\u003c\/p\u003e\u003cp\u003eThe sheave is made of resin with a double lateral ball-bearing. Cheekplates are made of perfectly polished AISI 316 stainless steel. The high quality materials guarantee a maintenance-free product. Resin sheave with double self-captive ball bearings.\u003c\/p\u003e\u003cp\u003eOur Part # ANT00305 | Antal Part # 305\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":49347861086514,"sku":"ANT00305","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/ANT00305.png?v=1728044454"},{"product_id":"ant00305c","title":"Antal Mini Block 34x6 Series - Triple Shackle w\/Cleat","description":"\u003cp\u003eS.steel mini blocks, triple block, sheave 34. SWL 600 kg Available with cam cleat (Mod. 00305\/C)This series offers extremely high working loads (SWL: 34x6 = 400 kg, 40x8 = 500 kg) while still compact and lightweight.\u003c\/p\u003e\u003cp\u003eThe sheave is made of resin with a double lateral ball-bearing. Cheekplates are made of perfectly polished AISI 316 stainless steel. The high quality materials guarantee a maintenance-free product. Resin sheave with double self-captive ball bearings.\u003c\/p\u003e\u003cp\u003eAll models can be supplied with cam cleat. Just add \/C to the model code when ordering.\u003c\/p\u003e\u003cp\u003eOur Part # ANT00305C | Antal Part # 00305\/C\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":49347899752754,"sku":"ANT00305C","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/ANT00305C.jpg?v=1728048456"},{"product_id":"ant00306c","title":"Antal Mini Block 34x6 Series - Triple Shackle w\/ Becket and Cleat","description":"\u003cp\u003eS.steel mini blocks, triple block with becket, sheave 34. SWL 600 kg Available with cam cleat (Mod. 00306\/C)This series offers extremely high working loads (SWL: 34x6 = 400 kg, 40x8 = 500 kg) while still compact and lightweight.\u003c\/p\u003e\u003cp\u003eThe sheave is made of resin with a double lateral ball-bearing. Cheekplates are made of perfectly polished AISI 316 stainless steel. The high quality materials guarantee a maintenance-free product. Resin sheave with double self-captive ball bearings.\u003c\/p\u003e\u003cp\u003eAll models can be supplied with cam cleat. Just add \/C to the model code when ordering.\u003c\/p\u003e\u003cp\u003eOur Part # ANT00306C | Antal Part # 00306\/C\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":49347899851058,"sku":"ANT00306C","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/ANT00306C.jpg?v=1728033724"},{"product_id":"ronrf343","title":"Ronstan Series 29 Vee Jam Block Triple","description":"\u003cp\u003e\u003cb\u003eApplications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e          \n\u003cli\u003eVang, cunningham and trapeze retriever systems on dinghies.\u003c\/li\u003e\n\u003cli\u003eLeech line tackles, bunk adjusters etc on larger yachts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eMaterials:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e          \n\u003cli\u003eU.V. stabilised Acetal sheaves.\u003c\/li\u003e\n\u003cli\u003eGrade 316 stainless steel cheeks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e Our Part # RONRF343 | Ronstan Part # RF343\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347912630578,"sku":"RONRF343","price":70.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF343.jpg?v=1735835515"},{"product_id":"ronrf41300","title":"Ronstan Series 40 AP Block, Triple, Swivel Head","description":"\u003cp\u003eThe Ronstan Series 40 AP Block, Triple, Swivel Head #RF41300 is perfect for those seeking a versatile and dependable solution for their sailing needs. With self-lubricating Acetal polymer sheaves and polished stainless steel races, it handles both dynamic and static loads with ease. This all-purpose block is ideal for sheets, halyards, and control line applications.\u003c\/p\u003e\u003cp\u003eBuilt with high-quality materials, the Ronstan Series 40 AP Block boasts a construction designed to withstand the rigors of sailing. Its Acetal polymer sheaves paired with stainless steel races ensure smooth operation and longevity, making it a trusted choice for both casual sailors and competitive racers. Compatible with various lines, it's the go-to option for reliable performance on the water.\u003c\/p\u003e\u003cp\u003eUsage\u003c\/p\u003e\u003cp\u003eIdeal for use with sheets, halyards, and control lines, this block excels in both cruising and racing scenarios, providing dependable performance across the board.\u003c\/p\u003e\u003cp\u003eOur Part #RONRF41300 | Mfr. 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The 2-stage ball bearing system provides consistent performance over the full load range.\u003c\/p\u003e\u003cp\u003eOur Part # RON-RF40300 | Ronstan Part # RF40300\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347941859634,"sku":"RON-RF40300","price":90.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RON-RF40300.jpg?v=1728059674"},{"product_id":"sel40500107r","title":"Selden 50 Plain Bearing Block - Triple","description":"\u003cp\u003eThe Selden 50 Plain Bearing Block - Triple (405-001-07R) is ideal for medium-sized boats, offering versatile applications. It features an acetal sheave and stainless steel strap for enhanced safety. The glass fiber reinforced composite cheeks prevent lines from wedging. A sliding swivel locking mechanism enables adjustable shackle positioning at 0°, 90°, or swiveling. This block is designed for reliable performance in demanding conditions. Perfect for sailors seeking durable, high-quality deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40500107R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 405-001-07R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347942809906,"sku":"SEL40500107R","price":88.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40500107R.jpg?v=1728030339"},{"product_id":"ronrf35322","title":"Ronstan Series 30 BB Orbit Block, Triple, Cleat","description":"\u003cp\u003eBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.\u003c\/p\u003e\u003cp\u003eMainsheet systems and spinnaker sheets on dinghies to 5 m (16 ft), halyard, vang and backstay applications on boats to 5 m (16 ft), control line applications on larger yachts.  Our Part # RONRF35322 | Ronstan Part # RF35322\u003c\/p\u003e\u003cp\u003eMainsheet systems and spinnaker sheets on dinghies to 5 m (16 ft), halyard, vang and backstay applications on boats to 5 m (16 ft), control line applications on larger yachts.\u003c\/p\u003e\u003cp\u003eOur Part # RONRF35322 | Ronstan Part # RF35322\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347945038130,"sku":"RONRF35322","price":91.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF35322.jpg?v=1735835393"},{"product_id":"ronrf41310","title":"Ronstan Series 40 AP Block, Triple, Becket, Swivel Head","description":"\u003cp\u003eThe Ronstan Series 40 AP Block, Triple, Becket, Swivel Head #RF41310 is your go-to for versatile sailing needs. With self-lubricating acetal polymer sheaves and polished stainless steel races, these triple blocks tackle both dynamic and static loads effortlessly. Perfect for cruisers and racers alike, these blocks offer reliability without the fuss.\u003c\/p\u003e\u003cp\u003eConstructed from robust acetal and stainless steel, these blocks are designed to withstand the rigors of sailing. Their compact design makes them suitable for various sailing setups, ensuring compatibility with a wide range of line diameters and loads. Ideal for both high-load racing and casual cruising, these blocks are built to last.\u003c\/p\u003e\u003cp\u003eUsage\u003c\/p\u003e\u003cp\u003eBest used in scenarios requiring reliable and durable solutions for line control, such as managing sheets and halyards. Whether you're setting sail for a competitive race or a leisurely cruise, these triple blocks provide the performance and endurance you need.\u003c\/p\u003e\u003cp\u003eOur Part #RONRF41310 | Mfr. Part #RF41310\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347945070898,"sku":"RONRF41310","price":91.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF41310.jpg?v=1735835387"},{"product_id":"ronrf35332","title":"Ronstan Series 30 BB Orbit Block, Triple, Becket, Cleat","description":"\u003cp\u003eBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.\u003c\/p\u003e\u003cp\u003eMainsheet systems and spinnaker sheets on dinghies to 5 m (16 ft), halyard, vang and backstay applications on boats to 5 m (16 ft), control line applications on larger yachts.  Our Part # RONRF35332 | Ronstan Part # RF35332\u003c\/p\u003e\u003cp\u003eMainsheet systems and spinnaker sheets on dinghies to 5 m (16 ft), halyard, vang and backstay applications on boats to 5 m (16 ft), control line applications on larger yachts.\u003c\/p\u003e\u003cp\u003eOur Part # RONRF35332 | Ronstan Part # RF35332\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347952410930,"sku":"RONRF35332","price":92.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF35332.jpg?v=1735835412"},{"product_id":"ronrf20332","title":"Ronstan Series 20 BB Block, Triple Cleat Becket","description":"\u003cp\u003ePrecision moulded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance \u0026amp; low friction. Two-way head - can be fixed at 0 or 90 degrees\u003c\/p\u003e\u003cp\u003eOur Part # RONRF20332 | Ronstan Part # RF20332\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347957129522,"sku":"RONRF20332","price":95.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF20332.jpg?v=1735835406"},{"product_id":"sel40500108r","title":"Selden 50 Plain Bearing Block - Triple Becket","description":"\u003cp\u003eThe Selden 50 Plain Bearing Block - Triple Becket (405-001-08R) is designed for medium-sized boats, offering reliable performance for various applications. It features an acetal sheave and stainless steel strap for enhanced safety. The glass fiber reinforced composite cheeks prevent lines from wedging. A sliding swivel locking mechanism allows adjustable shackle positioning at 0°, 90°, or swiveling. This block provides smooth and efficient line handling. Ideal for sailors seeking durable, high-performance deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40500108R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 405-001-08R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347963879730,"sku":"SEL40500108R","price":95.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40500108R.jpg?v=1728061794"},{"product_id":"ron-rf40310","title":"Ronstan Series 40 BB Block, Triple, Becket, Swivel Head","description":"\u003cp\u003eSheaves running on Acetal or Torlon ® ball bearings provide high performance \u0026amp; low friction. The 2-stage ball bearing system provides consistent performance over the full load range.\u003c\/p\u003e\u003cp\u003eOur Part # RON-RF40310 | Ronstan Part # RF40310\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49347978297650,"sku":"RON-RF40310","price":100.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RON-RF40310.jpg?v=1728036352"},{"product_id":"sel40210107r","title":"Selden 20 Ball Bearing Block - Triple Cam","description":"\u003cp data-start=\"92\" data-end=\"615\"\u003eThe Selden 20 Ball Bearing Block - Triple Cam (402-101-07R) is a 20mm ball bearing block designed for control lines on dinghies and keelboats. It features stainless steel ball bearings for smooth rotation and a cam cleat for secure line locking. The block can be attached using a shackle or line for flexible installation. Ideal for high-performance rigging systems. Provides reliable, low-friction operation in dynamic sailing conditions. Perfect for efficient and secure line handling.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40210107R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 402-101-07R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348000383282,"sku":"SEL40210107R","price":102.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40210107R.jpg?v=1728039128"},{"product_id":"sel40210108r","title":"Selden 20 Ball Bearing Block - Triple Becket Cam","description":"\u003cp data-start=\"92\" data-end=\"654\"\u003eThe Selden 20 Ball Bearing Block - Triple Becket Cam (402-101-08R) is designed for control lines on dinghies and keelboats. It features stainless steel ball bearings for smooth rotation and glass fiber reinforced polyamide composite for strength and durability. The block includes a becket and cam for secure line handling. Can be attached using a shackle or line for flexible rigging options. Ideal for high-performance rigs requiring reliable operation. Perfect for dynamic sailing conditions and demanding applications.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40210108R | \u003cspan\u003eMfr. Par\u003c\/span\u003et # 402-101-08R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348011950386,"sku":"SEL40210108R","price":106.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40210108R.jpg?v=1728039665"},{"product_id":"sel40310111r","title":"Selden 30 Ball Bearing Block - Triple Cam","description":"\u003cp data-start=\"92\" data-end=\"692\"\u003eThe Selden 30 Ball Bearing Block - Triple Cam (403-101-11R) is a 30mm ball bearing block with a stainless attachment eye and a 27mm cam cleat with top-guide. It features stainless steel ball bearings for strength and smooth rotation, with glass fiber reinforced polyamide sheaves and cheeks for durability. Acetal bearing cages reduce ball-to-ball friction and weight. Ideal for moderate and dynamic loads with minimal friction. Perfect for high-performance rigs requiring efficient line handling. Designed for reliable, long-lasting performance in demanding environments.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40310111R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 403-101-11R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348026171698,"sku":"SEL40310111R","price":111.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40310111R.jpg?v=1728058421"},{"product_id":"sel40310107r","title":"Selden 30 Ball Bearing Block - Triple Loop Head Becket Cam","description":"\u003cp data-start=\"92\" data-end=\"714\"\u003eThe Selden 30 Ball Bearing Block - Triple Loop Head Becket Cam (403-101-07R) is a 30mm ball bearing block with a stainless attachment eye, a becket, and a 27mm cam cleat with a top-guide. It features stainless steel ball bearings for strength and smooth rotation, along with glass fiber reinforced polyamide sheaves and cheeks for durability. Acetal bearing cages reduce ball-to-ball friction and weight. Ideal for moderate and dynamic loads, ensuring minimal friction. Perfect for high-performance rigs and demanding sailing conditions. Designed for reliable, long-lasting performance.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40310107R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 403-101-07R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348032233778,"sku":"SEL40310107R","price":112.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40310107R.jpg?v=1728020532"},{"product_id":"ant00505","title":"Antal OPF Series 50 mm Triple Sheave Block","description":"\u003cp\u003eAntal OPF Triple Block #505 features a 50 mm sheave with a composite fibre bearing and stainless steel hub. The one-piece aluminum frame eliminates pins and rivets, reducing weight and increasing durability. Includes a swivel head with locking positions and teflon-coated finish.\u003c\/p\u003e\u003cp\u003eOur Part # ANT00505| Antal Part # 505\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":49348051763506,"sku":"ANT00505","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/ANT00505.png?v=1728032511"},{"product_id":"ant00506","title":"Antal OPF Series 50 mm Triple Becket Block","description":"\u003cp\u003eOPF series, triple block with becket, sheave 50, SWL 800 kg\n Available with cam cleat (Mod. 00506\/C)New by Antal the ne Piece Frameblock, the block without pins or screws, it is a light and strong solution: simply a hard black anodized and teflon coated aluminium frame in one piece.\u003c\/p\u003e\n \u003cp\u003eA complete range from 50 to 140 mm sheaves in single, double, triple, fiddle, and deck versions, for webbing or shackle connection. Sizes are based on the range of HR shackles available and on their safe working load (SWL). The HR swivel head. Made in high resistance s.steel, with three positions: swiveling head, longitudinal lock and transversal lock. HR shackles included. The one-piece-frame. The one-piece aluminium extruded body is the strongest and lightest solution, no assembling pin rivets or screws and nuts. CNC machined - polished - hard black anodized and teflon coated. The composite fibre sheave. The resin (aluminium on larger mod) sheave runs on the main Composite Fibre bearing and on a ground s.steel hub: low friction highloads - no lubricant required. The self-captive side ball bearing reduces the friction and makes disassembling, cleaning and maintenance very easy. Sheaves are supplied with the s.steel hub, they are available separately.\u003c\/p\u003e\u003cp\u003e Our Part # ANT00506 | Antal Part # 506\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":49348065460530,"sku":"ANT00506","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/ANT00506.png?v=1728021283"},{"product_id":"sel40600107r","title":"Selden 60 Plain Bearing Block - Triple","description":"\u003cp\u003eThe Selden 60 Plain Bearing Block - Triple (406-001-07R) is a 60mm plain bearing block with glass fiber reinforced polyamide sides for durability. It features a polymer sheave and stainless steel strap for long-lasting performance. The block includes a sliding locking mechanism for adjustable shackle positioning, offering both swivelling and fixed options. Ideal for high-performance rigging systems requiring reliable, low-friction operation. Designed for demanding sailing conditions and medium to heavy loads. Perfect for efficient line handling.\u003c\/p\u003e\u003cp\u003eOur Part # SEL40600107R | Selden Part # 406-001-07R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348067918130,"sku":"SEL40600107R","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40600107R.jpg?v=1728039249"},{"product_id":"ronrf48300","title":"Ronstan S40 BB Orbit Block,Triple,Swivel Shackle","description":"\u003cp\u003eThe Ronstan S40 BB Orbit Block, Triple, Swivel Shackle #RF40530 is a top choice for sailors looking for a balance of strength and reliability in their sailing gear. With its innovative ball bearing system and toughened materials, it's designed to handle high loads while minimizing friction. It's like having a dependable helping hand on your sailing adventures.\u003c\/p\u003e   \u003cp\u003eCrafted with high compression strength acetal sheaves and balls, this block is built to last. The frame and cheeks are made from toughened, glass fibre reinforced nylon, providing resilience without the extra weight. Featuring grade 316 stainless steel head fittings and hubs, it ensures robust performance in marine environments. Perfect for a 12:1 purchase mainsheet system, it's compatible with off-the-beach performance catamarans and more.\u003c\/p\u003e  \u003cp\u003eUsage\u003c\/p\u003e \u003cp\u003eIdeal for sailors who need a reliable and efficient block system for high-performance sailing. Whether you're racing or cruising, this block offers the versatility and strength required for demanding sailing conditions.\u003c\/p\u003e\u003cp\u003eOur Part #RONRF48300 | Mfr. Part #RF48300\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348074930482,"sku":"RONRF48300","price":133.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF48300.jpg?v=1728057540"},{"product_id":"ronrf55310","title":"Ronstan Series 55 BB Orbit Block, Triple Becket Swivel","description":"\u003cp\u003eThe Ronstan Series 55 BB Orbit Block, Triple Becket Swivel #RF55310 is your go-to choice for lightweight and high-performance sailing. It's designed with an innovative orbital ball-bearing system that ensures maximum load capacity, making it perfect for competitive sailors. This triple block setup is crafted for optimal efficiency without unnecessary bulk.\u003c\/p\u003e   \u003cp\u003eConstructed with toughened, glass fibre reinforced Nylon, the block's sheaves are made from carbon fibre reinforced PTFE impregnated Nylon. The robust head fitting is made of Grade 316 stainless steel, ensuring longevity even in challenging conditions. With its high-performance materials, this block is ideal for mainsheet systems on dinghies, sportsboats, and small keelboats up to 9m (30ft), as well as various control line applications on larger yachts.\u003c\/p\u003e  \u003cp\u003eUsage\u003c\/p\u003e \u003cp\u003ePerfect for mainsheet and spinnaker sheet systems, as well as halyard, vang, and backstay applications on boats up to 8m (26ft). This versatile block is also excellent for control line applications on larger yachts, providing reliable performance across a range of sailing scenarios.\u003c\/p\u003e\u003cp\u003eOur Part #RONRF55310 | Mfr. Part #RF55310\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348079354162,"sku":"RONRF55310","price":135.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF55310.jpg?v=1735835399"},{"product_id":"sel40600108r","title":"Selden 60 Plain Bearing Block - Triple Becket","description":"\u003cp\u003eThe Selden 60 Plain Bearing Block - Triple Becket (406-001-08R) is a 60mm plain bearing block featuring glass fiber reinforced polyamide sides for strength and durability. Its polymer sheave and stainless steel strap ensure corrosion resistance and long-term performance. The block includes a sliding locking mechanism with an integrated becket, allowing for fixed or swivelling configurations. Ideal for advanced rigging applications with becket anchoring. Built to handle heavy loads under tough marine conditions. Perfect for optimized line control in sailing systems.\u003c\/p\u003e\u003cp\u003eOur Part # SEL40600108R | Selden Part # 406-001-08R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348081090866,"sku":"SEL40600108R","price":132.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40600108R.jpg?v=1728023662"},{"product_id":"sel40500109r","title":"Selden 50 Plain Bearing Block - Triple Cam","description":"\u003chr data-start=\"87\" data-end=\"90\"\u003e\n\u003cp data-start=\"92\" data-end=\"649\"\u003eThe Selden 50 Plain Bearing Block - Triple Cam (405-001-09R) is designed for medium-sized boats, providing versatile applications. It features an acetal sheave and stainless steel strap for increased safety. The glass fiber reinforced composite cheeks prevent lines from wedging. A sliding swivel locking mechanism allows for adjustable shackle positioning at 0°, 90°, or swiveling. The 38 mm cam cleat with composite cams and top-guide ensures secure line cleating. Ideal for sailors seeking durable, high-performance deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40500109R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 405-001-09R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348085154098,"sku":"SEL40500109R","price":133.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40500109R.jpg?v=1728031325"},{"product_id":"sel40410108r","title":"Selden 40 Ball Bearing Block - Triple Swivel","description":"\u003cp data-start=\"92\" data-end=\"661\"\u003eThe Selden 40 Ball Bearing Block - Triple Swivel (404-101-08R) features three 40mm sheaves for dynamic applications under medium loads. Stainless steel ball bearings reduce friction for smooth operation, while glass fiber reinforced cheeks enhance strength and durability. Designed for moderate and dynamic loads, this block offers minimal friction and efficient line handling. Ideal for high-performance rigs requiring reliable, low-friction operation. Perfect for demanding sailing conditions. Built for longevity and reliable performance.\u003c\/p\u003e\n\u003cp\u003eOur Part # \u003cspan class=\"product-sku__value\"\u003eSEL40410108R\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e | Mfr. Part # \u003cspan\u003e404-101-08R\u003c\/span\u003e\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348098949426,"sku":"SEL40410108R","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410108R.jpg?v=1728062592"},{"product_id":"ronrf48310","title":"Ronstan S40 BB Orbit Block,Triple,Becket,Swivel Shackle","description":"\u003cp\u003eThe Ronstan S40 BB Orbit Block, Triple, Becket, Swivel Shackle #RF40530 is a real powerhouse for sailing enthusiasts, offering a perfect blend of strength and versatility. It's designed with advanced materials to withstand dynamic and static loads, ensuring optimal performance on the water. This strong block is a reliable companion for those seeking top-notch sailing gear without compromise.\u003c\/p\u003e   \u003cp\u003eThis product uses high compression strength acetal for the sheave and balls, ensuring durability and excellent performance under load. Its frame is crafted from toughened, glass fibre reinforced nylon, offering a lightweight yet robust structure. The head fittings and hubs are made from grade 316 stainless steel, providing excellent corrosion resistance—a crucial feature for marine environments. The strong block is compatible with a variety of sailing setups, including those requiring complex systems up to a 12:1 purchase mainsheet system for performance catamarans.\u003c\/p\u003e  \u003cp\u003eUsage\u003c\/p\u003e \u003cp\u003ePerfect for off-the-beach performance catamarans or any sailing setup requiring high-performance blocks, ensuring smooth sailing with minimal friction.\u003c\/p\u003e\u003cp\u003eOur Part #RONRF48310 | Mfr. Part #RF48310\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348110221618,"sku":"RONRF48310","price":142.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF48310.jpg?v=1728041588"},{"product_id":"sel40500110r","title":"Selden 50 Plain Bearing Block - Triple Becket Cam","description":"\u003cp\u003eThe Selden 50 Plain Bearing Block - Triple Becket Cam (405-001-10R) is ideal for medium-sized boats, offering versatile performance. It features an acetal sheave and stainless steel strap for enhanced safety. The glass fiber reinforced composite cheeks prevent lines from wedging. A sliding swivel locking mechanism allows adjustable shackle positioning at 0°, 90°, or swiveling. The 38 mm cam cleat with composite cams and a top-guide ensures secure cleating. Perfect for sailors seeking durable, high-performance deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40500110R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 405-001-10R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348128670002,"sku":"SEL40500110R","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40500110R.jpg?v=1728039837"},{"product_id":"sel40410109r","title":"Selden 40 Ball Bearing Block - Triple Swivel Becket","description":"\u003cp data-start=\"92\" data-end=\"667\"\u003eThe Selden 40 Ball Bearing Block - Triple Swivel Becket (404-101-09R) features three 40mm sheaves, a swiveling shaft, and a becket for added rigging flexibility. Stainless steel ball bearings ensure smooth rotation, while glass fiber reinforced cheeks provide rigidity and durability. Ideal for moderate and dynamic loads, offering minimal friction for efficient line handling. Perfect for high-performance rigs requiring reliable operation under varying loads. Designed for demanding marine environments. Ideal for versatile rigging applications.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410109R | Selden Part # 404-101-09R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348138303794,"sku":"SEL40410109R","price":141.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410109R.jpg?v=1728032137"},{"product_id":"ant00505c","title":"Antal OPF Series 50 mm Triple Sheave Block + Cam Cleat","description":"\u003cp\u003eOPF series, triple block, sheave 50, SWL 800 kg\n Available with cam cleat (Mod. 00505\/C)New by Antal the ne Piece Frameblock, the block without pins or screws, it is a light and strong solution: simply a hard black anodized and teflon coated aluminium frame in one piece.\u003c\/p\u003e\n \u003cp\u003eA complete range from 50 to 140 mm sheaves in single, double, triple, fiddle, and deck versions, for webbing or shackle connection. Sizes are based on the range of HR shackles available and on their safe working load (SWL). The HR swivel head. Made in high resistance s.steel, with three positions: swiveling head, longitudinal lock and transversal lock. HR shackles included. The one-piece-frame. The one-piece aluminium extruded body is the strongest and lightest solution, no assembling pin rivets or screws and nuts. CNC machined - polished - hard black anodized and teflon coated. The composite fibre sheave. The resin (aluminium on larger mod) sheave runs on the main Composite Fibre bearing and on a ground s.steel hub: low friction highloads - no lubricant required. The self-captive side ball bearing reduces the friction and makes disassembling, cleaning and maintenance very easy. Sheaves are supplied with the s.steel hub, they are available separately.\u003c\/p\u003e\u003cp\u003e Our Part # ANT00505C | Antal Part # 00505\/C\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":49348164944178,"sku":"ANT00505C","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/ANT00505C.jpg?v=1728025333"},{"product_id":"ronrf51300","title":"Ronstan Series 50 AP Block, Triple","description":"\u003cp\u003eAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.Swivel shackle head for full 360 degree rotation (non-locking).\u003c\/p\u003e\u003cp\u003e Our Part # RONRF51300 | Ronstan Part # RF51300\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49348177068338,"sku":"RONRF51300","price":110.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/RONRF51300.jpg?v=1735835413"},{"product_id":"ant00506c","title":"Antal OPF Series 50 mm Triple Becket Block + Cam Cleat","description":"\u003cp\u003eOPF series, triple block with becket, sheave 50, SWL 800 kg\n Available with cam cleat (Mod. 00506\/C)New by Antal the ne Piece Frameblock, the block without pins or screws, it is a light and strong solution: simply a hard black anodized and teflon coated aluminium frame in one piece.\u003c\/p\u003e\n \u003cp\u003eA complete range from 50 to 140 mm sheaves in single, double, triple, fiddle, and deck versions, for webbing or shackle connection. Sizes are based on the range of HR shackles available and on their safe working load (SWL). The HR swivel head. Made in high resistance s.steel, with three positions: swiveling head, longitudinal lock and transversal lock. HR shackles included. The one-piece-frame. The one-piece aluminium extruded body is the strongest and lightest solution, no assembling pin rivets or screws and nuts. CNC machined - polished - hard black anodized and teflon coated. The composite fibre sheave. The resin (aluminium on larger mod) sheave runs on the main Composite Fibre bearing and on a ground s.steel hub: low friction highloads - no lubricant required. The self-captive side ball bearing reduces the friction and makes disassembling, cleaning and maintenance very easy. Sheaves are supplied with the s.steel hub, they are available separately.\u003c\/p\u003e\u003cp\u003e Our Part # ANT00506C | Antal Part # 00506\/C\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":49348197876018,"sku":"ANT00506C","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/ANT00506C.jpg?v=1728035400"},{"product_id":"karpf890030t","title":"Karver KBO8 Triple Block","description":"\u003cp\u003eThe rope shackle will never break due to the load or rust over the years.\u003c\/p\u003e\n\u003cp\u003eKBO lashing blocks have the best size to weight ratio on the market.\u003c\/p\u003e\n\u003cp\u003eKBO rope lashing makes fitting easier and quicker than standard shackles.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFast Attachment:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe rope shackle is included with the block up to KBO30.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSimplicity:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eEasy fitting from the lashing guide and rope shackle attachment simplifies the use of the KBO block.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eLightweight:\u003c\/b\u003e\u0026gt; \n\u003c\/p\u003e\u003cp\u003eThe design and material optimisation make the block extremely light.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePerformance:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe KBO block features a two stage bearing system from the KBO8 to enhance low friction.\u003c\/p\u003e\u003cp\u003e Our Part # KARPF890030T | Karver Part # PF890030T\u003c\/p\u003e","brand":"Karver","offers":[{"title":"Default Title","offer_id":49348204364082,"sku":"KARPF890030T","price":460.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/KARPF890030T.jpg?v=1728040740"},{"product_id":"sel40660106r","title":"Selden 60 Ball Bearing Block - Triple","description":"\u003cp data-start=\"92\" data-end=\"664\"\u003eThe Selden 60 Ball Bearing Block - Triple (406-601-06R) is designed for high-load applications, featuring three 60mm sheaves for even load distribution. A plastic washer acts as a swivel lock, fixing the shackle at 0° or 90°. Delrin ball bearings and glass fiber reinforced cheeks ensure smooth, low-friction performance. Ideal for dynamic tackle applications, this block provides reliable operation under heavy loads. Perfect for high-performance rigs requiring durability and smooth line handling. Designed for demanding sailing environments.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor Heavy Duty\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDia. 5 mm stainless ball bearings and Dia. 60 mm Acetal sheave.\u003c\/li\u003e\n\u003cli\u003eStainless steel ball bearing races.\u003c\/li\u003e\n\u003cli\u003eAcetal bearing cages to prevent ball-to-ball friction and to reduce weight.\u003c\/li\u003e\n\u003cli\u003eCheeks made of glass fibre reinforced composite.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOur Part # SEL40660106R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 406-601-06R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348235788594,"sku":"SEL40660106R","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660106R.jpg?v=1728040720"},{"product_id":"sel40660107r","title":"Selden 60 Ball Bearing Block - Triple Becket","description":"\u003cp data-start=\"92\" data-end=\"633\"\u003eThe Selden 60 Ball Bearing Block - Triple Becket (406-601-07R) features three 60mm sheaves with a becket for added rigging flexibility. The block includes a plastic washer as a swivel lock, fixing the shackle at 0° or 90°. Delrin ball bearings reduce friction for smooth operation, while glass fiber reinforced cheeks ensure durability. Ideal for dynamic tackle applications requiring high performance. Perfect for high-load, high-performance rigs. Designed for reliable, smooth operation in demanding conditions.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660107R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 406-601-07R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348252860722,"sku":"SEL40660107R","price":162.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660107R.jpg?v=1728034255"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/download_efc36074-1d33-4f5a-9260-a352c03b0c29.jpg?v=1736787065","url":"https:\/\/www.mauripro.com\/collections\/sailboat-blocks-triple-blocks.oembed?page=8","provider":"MAURIPRO","version":"1.0","type":"link"}