{"title":"Selden Mast Base Blocks","description":"\u003cp\u003eSelden mast base blocks for clean \u0026amp; organized deck hardware setups. \u003ca href=\"#seo-description\"\u003eClick here to read more.\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"sel40310123r","title":"Selden 30 Ball Bearing Block - Single Lead","description":"\u003cp data-start=\"92\" data-end=\"584\"\u003eThe Selden 30 Ball Bearing Block - Single Lead (403-101-23R) is a 30mm ball bearing block designed for lower loads on smaller boats or trim lines. It features stainless steel ball bearings for smooth, reliable operation. Easy to install with 2 M5 screws for secure attachment. Ideal for use with control lines in main sheet track systems. Provides efficient, low-friction performance for high-demand rigs. Perfect for lightweight rigging applications on smaller boats.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40310123R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 403-101-23R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347614179634,"sku":"SEL40310123R","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40310123R.jpg?v=1728042342"},{"product_id":"sel40410123r","title":"Selden 40 Ball Bearing Block - Sheet Lead","description":"\u003cp data-start=\"92\" data-end=\"624\"\u003eThe Selden 40 Ball Bearing Block - Sheet Lead (404-101-23R) is designed for leading control lines on dinghies and keelboats. The 40mm sheave features stainless steel ball bearings for smooth operation under dynamic loads. Glass fiber reinforced cheeks provide strength and durability. Ideal for moderate and dynamic loads, offering minimal friction for efficient line handling. Perfect for high-performance rigs requiring reliable operation. Built for durability in demanding marine environments.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410123R | Selden Part # 404-101-23R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347691315506,"sku":"SEL40410123R","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410123R.jpg?v=1728048004"},{"product_id":"sel40350101","title":"Selden 30 High Load Block (Halyard)","description":"\u003cp\u003eThe Selden 30 High Load Block (Halyard) #403-501-01R is designed to provide a reliable 2:1 purchase for your Code 0 or main halyard. It features a captive pin, so you won't have to worry about losing it overboard. This selden block is a dependable choice for sailors seeking efficiency and ease.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2:1 purchase ideal for Code 0 or main halyard\u003c\/li\u003e\n\u003cli\u003eCaptive pin prevents accidental loss\u003c\/li\u003e\n\u003cli\u003eReliable and efficient sailing gear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis block is crafted with high-quality materials to ensure durability and performance, specifically designed to handle high loads. It is compatible with various sailboats and is an essential component for smooth sailing operations. Make it your go-to choice for a secure and efficient sailing experience.\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348239065394,"sku":"SEL40350101","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40350101.jpg?v=1735914101"},{"product_id":"sel40620103r","title":"Selden 60 Roller Bearing Block - Single Backstay\/Halyard","description":"\u003cp data-start=\"92\" data-end=\"662\"\u003eThe Selden 60 Roller Bearing Block - Single Backstay\/Halyard (406-201-03R) is perfect for backstays in a cascade system or 2:1 main halyard arrangement. Made with machined black anodized aluminium and Torlon roller bearings, it ensures durability and performance. Acetal thrust bearings stabilize the sheave under side loads. Seldén RBB offers low-friction performance for high-load rigging. Ideal for high-performance backstay and halyard systems. Perfect for demanding marine conditions, delivering smooth operation.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40620103R | Mfr. Part # 406-201-03R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348442620210,"sku":"SEL40620103R","price":208.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40620103R.jpg?v=1728036372"},{"product_id":"sel40450101","title":"Selden 40 High Load Block (Halyard)","description":"\u003cp\u003eThe Selden 40 High Load Block (Halyard) #404-501-01R is perfect for those seeking a reliable 2:1 purchase for a Code 0 or main halyard. With its captive pin feature, you won't have to worry about losing it overboard. It's truly a dependable choice for sailing enthusiasts looking to optimize their mast base blocks setup.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDesigned for 2:1 purchase systems\u003c\/li\u003e \u003cli\u003eCaptive pin prevents accidental loss\u003c\/li\u003e \u003cli\u003eIdeal for Code 0 or main halyard applications\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCrafted for performance, this block offers secure and efficient sailing operations. It is compatible with a variety of sailing gear, ensuring flexibility and reliability on the water. Designed to withstand high loads, it is an essential component for any serious sailor's kit.\u003c\/p\u003e \u003cb\u003eUsage\u003c\/b\u003e \u003cp\u003eBest used in scenarios where a secure and efficient halyard setup is needed, such as with Code 0 sails or main halyards.\u003c\/p\u003e \u003cp\u003e Our Part # SEL40450101 | Mfr. Part # 404-501-01R \u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348584898866,"sku":"SEL40450101","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40450101.jpg?v=1735914103"},{"product_id":"sel40550101","title":"Selden 50 High Load Block (Halyard)","description":"\u003cp\u003eThe Selden 50 High Load Block (Halyard) #405-501-01R is a dependable choice for those seeking a 2:1 purchase system for their Code 0 or main halyard. With a captive pin design, you won't have to worry about losing it overboard. This block ensures smooth sailing with its user-friendly setup.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for 2:1 purchase systems.\u003c\/li\u003e\n\u003cli\u003eCaptive pin to prevent loss overboard.\u003c\/li\u003e\n\u003cli\u003eIdeal for use with mast base blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCrafted with durable materials, this block is engineered to withstand high loads and is built to last. It seamlessly integrates with other sailing gear, making it a versatile addition to your marine equipment. The compact design allows for easy installation and compatibility with various sailing setups.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUsage\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis block is best suited for securing Code 0 or main halyards in 2:1 purchase configurations, offering peace of mind on the water.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40550101 | Mfr. Part # 405-501-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348752867634,"sku":"SEL40550101","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40550101.jpg?v=1735914108"},{"product_id":"sel41000103r","title":"Selden 100 Plain Bearing Block - Single Halyard","description":"\u003cp data-start=\"92\" data-end=\"652\"\u003eThe Selden 100 Plain Bearing Block - Single Halyard (410-001-03R) is designed for up to 4-ton working load, ideal for backstays as the top block in a cascade system. Features a plain bearing with polymer bushing and two axial Delrin® thrust bearings for stability. The machined, black anodized aluminium sheave and cheeks are paired with stainless parts insulated from aluminium to prevent corrosion. Easy to dismantle for maintenance. Perfect for high-performance, high-load applications in dynamic rigging systems.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL41000103R | Mfr. Part # 410-001-03R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348806967602,"sku":"SEL41000103R","price":440.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SELDEN_6.jpg?v=1754588872"},{"product_id":"sel40820103r","title":"Selden 80 Roller Bearing Block - Single Backstay\/Halyard","description":"\u003cp data-start=\"92\" data-end=\"656\"\u003eThe Selden 80 Roller Bearing Block - Single Backstay\/Halyard (408-201-03R) is designed for backstays in cascade systems or 2:1 main halyard arrangements. Made from machined black anodized aluminium and Torlon roller bearings for superior durability and performance. Acetal thrust bearings stabilize the sheave under side loads. Part of Seldén’s RBB performance range, known for low friction and high efficiency. Ideal for the trimmer, ensuring smooth, long-lasting operation. Perfect for demanding dynamic load applications.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40820103R | Mfr. Part # 408-201-03R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348860641586,"sku":"SEL40820103R","price":510.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40820103R.jpg?v=1728019422"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/download_89ccd1c3-c684-4bb9-98a2-c35662d39d1a.jpg?v=1736786782","url":"https:\/\/www.mauripro.com\/collections\/selden-blocks-mast-base-blocks.oembed","provider":"MAURIPRO","version":"1.0","type":"link"}