{"title":"Lewmar Hardware Selection Guide","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v2.css\"\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag ss\"\u003eSELECTION GUIDE\u003c\/span\u003e\u003cp class=\"om-lead\"\u003ePick Control, Synchro, HTX and Racing block sizes by job and boat length, footblocks by winch size and sheet deflection, and traveller car size by application.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eLewmar Hardware Selection Guide\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 2 pages · 0.4 MB\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\" style=\"border-bottom:0\"\u003e\n\u003cspan\u003eLanguage\u003c\/span\u003e\u003cb\u003eEnglish\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-acts\"\u003e\n\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Lewmar-Hardware-Selection-Guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 4v11\"\u003e\u003c\/path\u003e\u003cpath d=\"m7 10 5 5 5-5\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 20h14\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Download PDF\u003c\/a\u003e\u003ca class=\"om-btn buy\" href=\"\/collections\/lewmar-sailboat-blocks\"\u003eView Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#sg-pick\"\u003eHow to Choose\u003c\/a\u003e\u003ca href=\"#sg-blocks\"\u003eBlocks by Boat Length\u003c\/a\u003e\u003ca href=\"#sg-foot\"\u003eFootblocks\u003c\/a\u003e\u003ca href=\"#sg-cars\"\u003eTraveller Cars\u003c\/a\u003e\u003ca href=\"#om-products\"\u003eProducts\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/lew29926001bk.jpg?v=1740499182\" alt=\"Lewmar Hardware Selection Guide\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"sg-pick\"\u003e\n\u003ch2 class=\"om-h\"\u003eHow to Read the Lewmar Hardware Selection Guides\u003c\/h2\u003e\n\u003cdiv class=\"om-grid2\"\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eBlocks by boat length\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour families: \u003cb\u003eControl\u003c\/b\u003e (30, 40), \u003cb\u003eSynchro\u003c\/b\u003e (50, 60, 72, 90, 105), \u003cb\u003eHTX\u003c\/b\u003e (50, 60, 72, 90) and \u003cb\u003eRacing\u003c\/b\u003e (60 HL, 80, 80 HL, 105 HL). The number is the sheave size in mm; HL = High Load.\u003c\/li\u003e\n\u003cli\u003ePick the block family, find the job (mainsheet, halyard, spinnaker sheet, vang…) and read across to your boat length.\u003c\/li\u003e\n\u003cli\u003eMainsheet rows are split into end-boom and mid-boom sheeting, and Control and Racing mainsheet rows into singles and double\/triple blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003eFootblocks and traveller cars\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFootblocks\u003c\/b\u003e are sized by the winch they lead to and by the sheet deflection through the block: 90° or 180°. At 180° the chart steps up a size at a smaller winch than at 90°.\u003c\/li\u003e\n\u003cli\u003eFootblock sizes run from 60 Synchro up to 155 HL Racing (130 and 155 HL are footblock sizes only in this guide).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTraveller cars\u003c\/b\u003e (sizes 0–3) are chosen by application (genoa, end-boom mainsheet, mid-boom or multihull), with the maximum towing purchase for each size.\u003c\/li\u003e\n\u003cli\u003eQuick reference only, based on the average modern cruising yacht. Get the loadings from your designer and match them to the safe working load of the hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"sg-blocks\"\u003e\n\u003ch2 class=\"om-h\"\u003eBlocks – Selection by Job and Boat Length\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Lewmar-Blocks-Selection-Chart.png\" alt=\"Lewmar blocks selection guide: Control, Synchro, HTX and Racing blocks by application and boat length\" style=\"width:100%;height:auto;border:1px solid #e3e5e8;border-radius:6px;margin:0\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp class=\"om-note\"\u003eLewmar's own selection chart, reproduced from the PDF. In the Racing \"Main sheet – mid boom singles\" row, one bar is labelled \"80 Racing\" but drawn in the 80 HL Racing colour (as printed).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"sg-foot\"\u003e\n\u003ch2 class=\"om-h\"\u003eFootblock Selection by Winch Size\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Lewmar-Footblock-Selection-Chart.png\" alt=\"Lewmar footblock selection guide by winch size and sheet deflection, with block colour key\" style=\"width:100%;height:auto;border:1px solid #e3e5e8;border-radius:6px;margin:0\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp class=\"om-note\"\u003eThe PDF has a Hand load column but no block is shown in it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"sg-cars\"\u003e\n\u003ch2 class=\"om-h\"\u003eTraveller Systems – Cars Selection Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Lewmar-Traveller-Cars-Selection-Chart.png\" alt=\"Lewmar traveller cars selection guide by application, car size, towing purchase and boat length\" style=\"width:100%;height:auto;border:1px solid #e3e5e8;border-radius:6px;margin:0\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"om-tbl\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication \u0026amp; sheeting position\u003c\/th\u003e\n\u003cth\u003eCar size\u003c\/th\u003e\n\u003cth\u003eTowing purchase (maximum available)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenoa\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e0\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd boom mainsheet\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e0\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMid boom or multihull\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e0\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenoa\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e1\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e4:1 or 2:1 to winch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd boom mainsheet\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e1\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e4:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMid boom or multihull\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e1\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e4:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenoa\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e2\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e4:1 or 2:1 to winch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd boom mainsheet\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e2\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMid boom or multihull\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e2\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenoa\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e3\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e5:1 or 2:1 to winch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd boom mainsheet\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e3\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e5:1 or 2:1 to winch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMid boom or multihull\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e\u003cb\u003e3\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd class=\"num\"\u003e5:1 or 2:1 to winch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eSail area, rig, heavy or light displacement and monohull vs multihull all change the specification. Get the loadings from your designer and match them to the safe working load of the hardware.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eNeed a part that isn't listed? \u003ca href=\"\/pages\/contact\"\u003eAsk us to source it\u003c\/a\u003e and quote the part number from the PDF.\u003c\/p\u003e\n\u003ch2 class=\"om-h\" id=\"om-products\"\u003eProducts in this Selection Guide\u003c\/h2\u003e\n\u003c\/div\u003e","products":[{"product_id":"lew29901314bk","title":"Lewmar 30mm Control Block - Strap head Becket","description":"\u003cp\u003eThe Lewmar 30mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901314BK | Lewmar Part # 29901314BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347885138226,"sku":"LEW29901314BK","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901314BK.jpg?v=1728024365"},{"product_id":"lew29901341bk","title":"Lewmar 30mm Control Block - Single Fixed Strap","description":"\u003cp\u003eThe Lewmar 30mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901341BK | Lewmar Part # 29901341BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347888185650,"sku":"LEW29901341BK","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901341BK.jpg?v=1728036110"},{"product_id":"lew29901320bk","title":"Lewmar 30mm Control Block - Single Stand Up","description":"\u003cp\u003eThe Lewmar 30mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901320BK | Lewmar Part # 29901320BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347923280178,"sku":"LEW29901320BK","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901320BK.jpg?v=1728034071"},{"product_id":"lew29925021bk","title":"Lewmar 50mm Toggle Head Synchro Block","description":"\u003cp\u003eLewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimised block geometry, a free-spin bearing and self-aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems.\u003c\/p\u003e\u003cp\u003eEach component is perfectly synchronised with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29925021BK | Lewmar Part # 29925021BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347946086706,"sku":"LEW29925021BK","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/lew29925021bk.jpg?v=1740499174"},{"product_id":"lew29901361bk","title":"Lewmar 30mm Control Block - Through Deck Single","description":"\u003cp\u003eThe Lewmar 30mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901361BK | Lewmar Part # 29901361BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347956375858,"sku":"LEW29901361BK","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901361BK.jpg?v=1728032724"},{"product_id":"lew29901363bk","title":"Lewmar 30mm Control Block - Vertical Lead Block","description":"\u003cp\u003eThe Lewmar 30mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901363BK | Lewmar Part # 29901363BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347956441394,"sku":"LEW29901363BK","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901363BK.jpg?v=1728056620"},{"product_id":"lew29901321bk","title":"Lewmar 30mm Control Block - Single","description":"\u003cp\u003eThe Lewmar 30mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901321BK | Lewmar Part # 29901321BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347956474162,"sku":"LEW29901321BK","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901321BK.jpg?v=1728059823"},{"product_id":"lew29925001bk","title":"Lewmar 50mm Single Synchro Block","description":"\u003cp\u003eThe 50mm Single Synchro Block #29925001BK is perfect for sailors looking to optimize performance with ease. Engineered for smooth and efficient power transfer, it significantly reduces friction, making your sailing experience more enjoyable. This block is all about making your mainsheet system work harder so you don't have to.\u003c\/p\u003e\u003cp\u003eMade with high-quality materials, the 50mm Single Synchro Block is designed to withstand the harsh marine environment. Its precise dimensions make it compatible with various sailing setups, ensuring versatility and reliability. Whether you're an experienced sailor or new to the sport, this block enhances your equipment's efficiency.\u003c\/p\u003e\u003cp\u003eIdeal for use in mainsheet systems, this block delivers outstanding performance in competitive sailing scenarios. Its design ensures less wear on ropes, making it an excellent choice for frequent sailors.\u003c\/p\u003e\u003cp\u003eOur Part #LEW29925001BK | Mfr. Part #29925001BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347960373554,"sku":"LEW29925001BK","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/lew29925001bk.jpg?v=1740499164"},{"product_id":"lew29901301bk","title":"Lewmar 30mm Control Block - Sheave and Strap Head Becket","description":"\u003cp\u003eThe Lewmar 30mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901301BK | Lewmar Part # 29901301BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347964895538,"sku":"LEW29901301BK","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901301BK.jpg?v=1728039544"},{"product_id":"lew29901401bk","title":"Lewmar 40mm Control Block - Sheave and Strap Head Becket","description":"\u003cp\u003eThe Lewmar 40mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901401BK | Lewmar Part # 29901401BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347965026610,"sku":"LEW29901401BK","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901401BK.jpg?v=1728019466"},{"product_id":"lew29901424bk","title":"Lewmar 40mm Control Block - Single Becket","description":"\u003cp\u003eThe Lewmar 40mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901424BK | Lewmar Part # 29901424BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347965059378,"sku":"LEW29901424BK","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901424BK.jpg?v=1728032026"},{"product_id":"lew29925004bk","title":"Lewmar 50mm Single Becket Synchro Block","description":"\u003cp\u003eLewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimised block geometry, a free-spin bearing and self-aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems.\u003c\/p\u003e\u003cp\u003eEach component is perfectly synchronised with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29925004BK | Lewmar Part # 29925004BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347974988082,"sku":"LEW29925004BK","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/lew29925004bk.jpg?v=1740499170"},{"product_id":"lew29901447bk","title":"Lewmar 30mm Control Block - Web Block","description":"\u003cp\u003eThe Lewmar 30mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.\u003c\/p\u003e\u003cp\u003eOur Part # LEW29901447BK | Lewmar Part # 29901447BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49347987734834,"sku":"LEW29901447BK","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/LEW29901447BK.jpg?v=1728016877"},{"product_id":"lew29901441bk","title":"Lewmar 40mm Control Block - Single Fixed Strap","description":"\u003cp\u003eThe Lewmar 40mm Control Block - Single Stand Up is ideally for use with hand-held loads. Lewmar Control Blocks feature lightweight, performance load-bearing capacity. 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Part # 29925039BK\u003c\/p\u003e","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":49348536238386,"sku":"LEW29925039BK","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/lew29925039bk.jpg?v=1740499181"},{"product_id":"lew29927231bk","title":"Lewmar 72mm Fiddle Synchro Block","description":"\u003cp\u003eThe Lewmar 72mm Fiddle Synchro Block #29927231BK is perfect for sailors looking to enhance their mainsheet systems with improved speed and efficiency. This block offers reduced friction and is designed for smooth rope movement, making handling easier and more effective. With its user-friendly design, sailors will notice a remarkable difference in performance.\u003c\/p\u003e\u003cp\u003eCrafted with high-quality materials, the 72mm Fiddle Synchro Block is compatible with a variety of sailing gear, offering durability and reliability. 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