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Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm)40 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in)1 9\/16 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm)10 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in)3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg)440 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb)970 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52020987986101,"sku":"QBP781072","price":93.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1229899_qbp781072.jpg?v=1763151501"},{"product_id":"qbp288776","title":"Harken 40mm Carbo Air Triple Swivel Block 2640","description":"\u003cp\u003e\u003cstrong\u003e40mm Carbo Air Triple Swivel Block\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm)40 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in)1 9\/16 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm)10 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in)3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg)660 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb)1455 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52020988018869,"sku":"QBP288776","price":143.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1229900_qbp288776.jpg?v=1763151502"},{"product_id":"qbp626558","title":"Harken 40mm Carbo Air Triple Swivel Block w\/Becket 2641","description":"\u003cp\u003e\u003cstrong\u003e40mm Carbo Air Triple Swivel Block with Becket\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm)40 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in)1 9\/16 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm)10 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in)3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg)660 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb)1455 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52020988051637,"sku":"QBP626558","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1229901_qbp626558.jpg?v=1763151503"},{"product_id":"qbp939847","title":"Harken 40mm Carbo Air Double Fixed Block 2642","description":"\u003cp\u003e\u003cstrong\u003e40mm Carbo Air Double Fixed Block\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. 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It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave: 16mm \/ 5\/8in.\u003c\/li\u003e \u003cli\u003eLength: 46mm \/ 1-13\/16in.\u003c\/li\u003e \u003cli\u003eWeight: 41g \/ 1.44oz\u003c\/li\u003e \u003cli\u003eMaximum line: 5mm \/ 7\/32in\u003c\/li\u003e \u003cli\u003eMaximum working load: 318kg\/ 700lb\u003c\/li\u003e \u003cli\u003eBreaking load: 544kg \/ 1200lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52020988641461,"sku":"QBP903174","price":52.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1230215_qbp903174.jpg?v=1763151517"},{"product_id":"qbp906156","title":"Harken 22mm Triple Micro Block 228","description":"\u003cp\u003e\u003cstrong\u003e22mm Triple Micro Block\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave: 22mm \/ 7\/8in.\u003c\/li\u003e\n\u003cli\u003eLength: 51mm \/ 2in.\u003c\/li\u003e\n\u003cli\u003eWeight: 57g \/ 2oz.\u003c\/li\u003e\n\u003cli\u003eMaximum line: 6mm \/ 1\/4in.\u003c\/li\u003e\n\u003cli\u003eMaximum working load: 227kg \/ 550lb\u003c\/li\u003e\n\u003cli\u003eBreaking load: 544kg\/ 1200 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52020995522741,"sku":"QBP906156","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1230941_qbp906156.jpg?v=1763151619"},{"product_id":"qbp143653","title":"Harken 57mm Triple Carbo Block - Swivel, Becket, Cam Cleat 2141","description":"\u003cp\u003e\u003cstrong\u003e57mm Triple Carbo Block - Swivel, Becket, Cam Cleat\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eCarbo Ratchets allow sailors to hand-hold loaded lines and offer a balance between holding power and controlled easing.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm) 57 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in) 2 1\/4 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm) 10 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in) 3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg) 816 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb) 1800 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52020995621045,"sku":"QBP143653","price":290.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1230985_qbp143653.jpg?v=1763151621"},{"product_id":"qbp328071","title":"Harken 38mm Double Big Bullet Block 127","description":"\u003cp\u003e\u003cstrong\u003e38mm Double Big Bullet Block\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave: 38mm (1-1\/2\")\u003c\/li\u003e\n\u003cli\u003eMaximum Line: 10mm (3\/8\")\u003c\/li\u003e\n\u003cli\u003eMaximum Working Load: 272kg (600lb)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52020997816501,"sku":"QBP328071","price":92.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1231152_qbp328071.jpg?v=1763151651"},{"product_id":"qbp219812","title":"Harken 38mm Double Big Bullet Block w\/Becket 128","description":"\u003cp\u003e\u003cstrong\u003e38mm Double Big Bullet Block with Becket\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave: 38mm (1-1\/2\")\u003c\/li\u003e\n\u003cli\u003eMaximum Line: 10mm (3\/8\")\u003c\/li\u003e\n\u003cli\u003eMaximum Working Load: 272kg (600lb)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52020997882037,"sku":"QBP219812","price":96.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1231154_qbp219812.jpg?v=1763151652"},{"product_id":"qbp778897","title":"Harken 22mm Double Micro Block 226","description":"\u003cp\u003e\u003cstrong\u003e22mm Double Micro Block\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLow-friction Micro blocks are compact and lightweight.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave: 22mm \/ 7\/8in.\u003c\/li\u003e\n\u003cli\u003eLength: 51mm \/ 2in.\u003c\/li\u003e\n\u003cli\u003eWeight: 43g \/ 1.5oz.\u003c\/li\u003e\n\u003cli\u003eMaximum line: 6mm \/ 1\/4in.\u003c\/li\u003e\n\u003cli\u003eMaximum working load: 159kg \/ 350lb\u003c\/li\u003e\n\u003cli\u003eBreaking load: 544kg\/ 1200 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52021001388213,"sku":"QBP778897","price":37.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1231508_qbp778897.jpg?v=1763151724"},{"product_id":"qbp126032","title":"Harken 22mm Double Micro Block w\/Becket 227","description":"\u003cp\u003e\u003cstrong\u003e22mm Double Micro Block with Becket\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLow-friction Micro blocks are compact and lightweight.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave: 22mm \/ 7\/8in.\u003c\/li\u003e \u003cli\u003eLength: 64mm \/ 2.5in.\u003c\/li\u003e \u003cli\u003eWeight: 43g \/ 1.5oz.\u003c\/li\u003e \u003cli\u003eMaximum line: 6mm \/ 1\/4in.\u003c\/li\u003e \u003cli\u003eMaximum working load: 159kg \/ 350lb\u003c\/li\u003e \u003cli\u003eBreaking load: 544kg \/ 1200 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52021001420981,"sku":"QBP126032","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1231510_qbp126032.jpg?v=1763151724"},{"product_id":"qbp102380","title":"Barton Marine 35mm Diameter Plain Bearing Sheave 64804","description":"\u003cp\u003e\u003cstrong\u003e35mm Diameter Plain Bearing Sheave\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA replacement all-purpose rope sheave. Used throughout the complete Barton block range.\u003c\/p\u003e\u003cp\u003eMolded from UV-resistant acetal resin, the Barton sheave is made to survive the harsh marine environment. The unique, super-low friction ball race system runs on a large diameter center boss, which ensures an extremely low friction performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOverall Diameter - 1- 4\/10\" (35mm)\u003c\/li\u003e\n\u003cli\u003eHub Width - .47\" (12mm)\u003c\/li\u003e\n\u003cli\u003eBore - .31\" (8mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e*Sold as an Individual\u003c\/p\u003e","brand":"Barton Marine","offers":[{"title":"Default Title","offer_id":52021004206261,"sku":"QBP102380","price":2.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1231765_qbp102380.jpg?v=1763151764"},{"product_id":"qbp892796","title":"Harken 40mm Double Sheave Fishing Block 2184","description":"\u003cp\u003e\u003cstrong\u003e40mm Double Sheave Fishing Block\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, and reliable. These compact blocks have very high working loads and smooth operation to simplify the positioning and retrieval of teaser lines.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm): 40 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in): 1-9\/16 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm): 10 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in): 3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg): 220 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb): 485 lbs\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52021008466101,"sku":"QBP892796","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1231912_qbp892796.jpg?v=1763151788"},{"product_id":"qbp879687","title":"Harken 60mm Element Triple Block 6275","description":"\u003cp\u003e\u003cstrong\u003e60mm Element Triple Block\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks. Sideplates are hard-coat-anodized to resist corrosion. 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A tough composite bearing sheave resists corrosion for a long service life.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave: 45mm \/ 1-3\/4in\u003c\/li\u003e \u003cli\u003eLength: 127mm \/ 5in\u003c\/li\u003e \u003cli\u003eWeight: 275g \/ 9.6oz\u003c\/li\u003e \u003cli\u003eShackle pin: 6mm \/ 1\/4in\u003c\/li\u003e \u003cli\u003eMaximum line: 12mm \/ 1\/2in\u003c\/li\u003e \u003cli\u003eMaximum working load: 1050kg \/ 2315lb\u003c\/li\u003e \u003cli\u003eBreaking load: 2100kg \/ 4630lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52021043757237,"sku":"QBP388535","price":146.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1234853_qbp388535.jpg?v=1763152346"},{"product_id":"qbp891364","title":"Harken 45mm Double Element Block w\/Swivel \u0026 Becket 6239","description":"\u003cp\u003e\u003cstrong\u003e45mm Double Element Block with Swivel \u0026amp; Becket\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. 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They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.\u003cbr\u003e\u003cbr\u003eSideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm): 60 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in): 2-3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm): 14 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in): 9\/16 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg): 1375 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb): 3032 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52021046575285,"sku":"QBP563546","price":146.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1235051_qbp563546.jpg?v=1763152377"},{"product_id":"qbp583459","title":"Harken 60mm Double Aluminum Element Block w\/Swivel \u0026 Becket 6270","description":"\u003cp\u003e\u003cstrong\u003e60mm Double Aluminum Element Block with Swivel \u0026amp; Becket\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.\u003cbr\u003e\u003cbr\u003eSideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm): 60 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in): 2-3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm): 14 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in): 9\/16 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg): 1375 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb): 3032 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52021046673589,"sku":"QBP583459","price":159.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1235052_qbp583459.jpg?v=1763152377"},{"product_id":"qbp884772","title":"Harken 60mm Triple Aluminum Element Block w\/Swivel 6272","description":"\u003cp\u003e\u003cstrong\u003e60mm Triple Aluminum Element Block with Swivel\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.\u003cbr\u003e\u003cbr\u003eSideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm): 60 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in): 2-3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm): 14 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in): 9\/16 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg): 1650 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb): 3638 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52021046706357,"sku":"QBP884772","price":177.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1235053_qbp884772.jpg?v=1763152378"},{"product_id":"qbp134307","title":"Harken 60mm Triple Aluminum Element Block w\/Swivel \u0026 Becket 6273","description":"\u003cp\u003e\u003cstrong\u003e60mm Triple Aluminum Element Block with Swivel \u0026amp; Becket\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.\u003cbr\u003e\u003cbr\u003eSideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø (mm): 60 mm\u003c\/li\u003e \u003cli\u003eSheave Ø (in): 2-3\/8 in\u003c\/li\u003e \u003cli\u003eMaximum line Ø (mm): 14 mm\u003c\/li\u003e \u003cli\u003eMaximum line Ø (in): 9\/16 in\u003c\/li\u003e \u003cli\u003eMaximum working load (kg): 1650 kg\u003c\/li\u003e \u003cli\u003eMaximum working load (lb): 3638 lb\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":52021046739125,"sku":"QBP134307","price":200.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1235054_qbp134307.jpg?v=1763152379"},{"product_id":"qbp963153","title":"Harken 29mm Triple Carbo Air Block w\/Swivel 344","description":"\u003cp\u003e\u003cstrong\u003e29mm Triple Carbo Air Block with Swivel\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. 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It is perfect for small synthetic control lines found on high-tech dinghies. 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Cleat arms are made from stainless steel and adjustable for setting your preferred cleating angle.\u003cbr\u003e\u003cbr\u003eBall Bearing versions incorporate our 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.\u003cbr\u003e\u003cbr\u003eHigh Load versions are designed specifically for any application where high dynamic or static loads are expected. They feature a high-strength grade 2205 stainless steel sheave \u0026amp; hub together with a triple bearing race to maintain low friction at very high loads.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eClass-leading dynamic and static load ratings\u003c\/li\u003e \u003cli\u003eLightweight, yet strong. Toughened, glass fiber reinforced nylon replaces stainless steel straps used in our traditional utility blocks\u003c\/li\u003e \u003cli\u003eLow friction 2-stage ball bearing system for efficient and effortless trimming\u003c\/li\u003e \u003cli\u003eSoft attachment, lashing and traditional swivel shackle head options\u003c\/li\u003e \u003cli\u003eLow profile and compact\u003c\/li\u003e \u003cli\u003eHigh performance cleating\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans and sportsboats to 8m (26ft)\u003c\/li\u003e \u003cli\u003eHalyard, vang and backstay applications on boats to 9m (30ft)\u003c\/li\u003e \u003cli\u003eControl line applications on larger yachts\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø: 1-9\/16 in.\u003c\/li\u003e \u003cli\u003eMax. Rope Ø: 3\/8 in.\u003c\/li\u003e \u003cli\u003ePin Ø: 5\/32\"\u003c\/li\u003e \u003cli\u003eM.W.L.: 1320 lb.\u003c\/li\u003e \u003cli\u003eB. L.: 2650 lb.\u003c\/li\u003e \u003cli\u003eWeight: 8.5 oz.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":52021121384629,"sku":"QBP518368","price":205.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1245428_qbp518368.jpg?v=1763153906"},{"product_id":"qbp571567","title":"Ronstan Series 40 Orbit BB Quin Block w\/Becket \u0026 Swivel Shackle RF48510","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Orbit BB Quin Block with Becket \u0026amp; Swivel Shackle\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber reinforced nylon cheeks replace stainless steel straps used in traditional utility blocks - the perfect balance of performance and reliability.\u003cbr\u003e\u003cbr\u003eAs well as traditional single swivel blocks, the range includes single and double sheave lashing or soft attachment options through to multiple sheave blocks including those with quad and quin sheaves. The range is highly versatile allowing a multitude of possible systems right up to a 12:1 purchase mainsheet system for off-the-beach performance catamarans.\u003cbr\u003e\u003cbr\u003eSeries 40 Orbit Blocks™ are fitted with our carbon-reinforced C-Cleat™ for secure rope holding with low entry and exit efforts, and fairleads for fast action from any angle. Cleat arms are made from stainless steel and adjustable for setting your preferred cleating angle.\u003cbr\u003e\u003cbr\u003eBall Bearing versions incorporate our 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.\u003cbr\u003e\u003cbr\u003eHigh Load versions are designed specifically for any application where high dynamic or static loads are expected. They feature a high-strength grade 2205 stainless steel sheave \u0026amp; hub together with a triple bearing race to maintain low friction at very high loads.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eClass-leading dynamic and static load ratings\u003c\/li\u003e \u003cli\u003eLightweight, yet strong. Toughened, glass fiber reinforced nylon replaces stainless steel straps used in our traditional utility blocks\u003c\/li\u003e \u003cli\u003eLow friction 2-stage ball bearing system for efficient and effortless trimming\u003c\/li\u003e \u003cli\u003eSoft attachment, lashing and traditional swivel shackle head options\u003c\/li\u003e \u003cli\u003eLow profile and compact\u003c\/li\u003e \u003cli\u003eHigh performance cleating\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans and sportsboats to 8m (26ft)\u003c\/li\u003e \u003cli\u003eHalyard, vang and backstay applications on boats to 9m (30ft)\u003c\/li\u003e \u003cli\u003eControl line applications on larger yachts\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSheave Ø: 1-9\/16 in.\u003c\/li\u003e \u003cli\u003eMax. Rope Ø: 3\/8 in.\u003c\/li\u003e \u003cli\u003ePin Ø: 5\/32\"\u003c\/li\u003e \u003cli\u003eM.W.L.: 1320 lb.\u003c\/li\u003e \u003cli\u003eB. L.: 2650 lb.\u003c\/li\u003e \u003cli\u003eWeight: 8.7 oz.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":52021121417397,"sku":"QBP571567","price":214.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1245429_qbp571567.jpg?v=1763153907"},{"product_id":"qbp140506","title":"Ronstan Series 40 Ball Bearing Block - Double - Swivel Head RF40200","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Ball Bearing Block - Double - Swivel Head\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLow friction Acetal or Torlon® bearing system\u003c\/li\u003e \u003cli\u003eLightweight\u003c\/li\u003e \u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e \u003cli\u003eFeatures a swivel shackle head for full 360° rotation\u003c\/li\u003e \u003c\/ul\u003e \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\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMainsheet\u003c\/li\u003e \u003cli\u003eHalyard\u003c\/li\u003e \u003cli\u003eVang\u003c\/li\u003e \u003cli\u003eSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":52021126758581,"sku":"QBP140506","price":74.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1246076_qbp140506.jpg?v=1763154014"},{"product_id":"qbp965871","title":"Ronstan Series 40 Ball Bearing Block - Double - Becket - Swivel Head RF40210","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Ball Bearing Block - Double - Becket - Swivel Head\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLow friction Acetal or Torlon® bearing system\u003c\/li\u003e \u003cli\u003eLightweight\u003c\/li\u003e \u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e \u003c\/ul\u003e \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. Features a swivel shackle head for full 360° rotation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMainsheet\u003c\/li\u003e \u003cli\u003eHalyard\u003c\/li\u003e \u003cli\u003eVang\u003c\/li\u003e \u003cli\u003eSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":52021126824117,"sku":"QBP965871","price":80.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1246077_qbp965871.jpg?v=1763154015"},{"product_id":"qbp984668","title":"Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head RF40300","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Ball Bearing Block - Triple - Swivel Head\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLow friction Acetal or Torlon® bearing system\u003c\/li\u003e \u003cli\u003eLightweight\u003c\/li\u003e \u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e \u003cli\u003eFeatures a swivel shackle head for full 360° rotation\u003c\/li\u003e \u003c\/ul\u003e \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\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMainsheet\u003c\/li\u003e \u003cli\u003eHalyard\u003c\/li\u003e \u003cli\u003eVang\u003c\/li\u003e \u003cli\u003eSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAcetal ball bearings\u003c\/li\u003e \u003cli\u003eUV stabilised Acetal sheave\u003c\/li\u003e \u003cli\u003eGrade 316 stainless steel load strap and head fitting\u003c\/li\u003e \u003cli\u003eImpact and UV resistant, fiber reinforced Nylon cheeks\u003c\/li\u003e \u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":52021127151797,"sku":"QBP984668","price":91.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1246080_qbp984668.jpg?v=1763154018"},{"product_id":"qbp991413","title":"Ronstan Series 40 Ball Bearing Block - Triple - Becket - Swivel Head RF40310","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Ball Bearing Block - Triple - Becket - Swivel Head\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLow friction Acetal or Torlon® bearing system\u003c\/li\u003e \u003cli\u003eLightweight\u003c\/li\u003e \u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e \u003cli\u003eFeatures a swivel shackle head for full 360° rotation\u003c\/li\u003e \u003c\/ul\u003e \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\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMainsheet\u003c\/li\u003e \u003cli\u003eHalyard\u003c\/li\u003e \u003cli\u003eVang\u003c\/li\u003e \u003cli\u003eSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":52021127315637,"sku":"QBP991413","price":101.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1246081_qbp991413.jpg?v=1763154019"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/collections\/1119227_sailboat-blocks.jpg?v=1763134123","url":"https:\/\/www.qualityboatparts.com\/collections\/sailboat-blocks.oembed?page=10","provider":"Quality Boat Parts","version":"1.0","type":"link"}