Blocks
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40mm Carbo cheek/becket blockSKU: HK2163Low-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. Learn More
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57mm Carbo block with becketSKU: HK2601Harken 57 mm Carbo block with becket can be used for lines up to 10 mm and weighs 96 gram. Great for main sheets and jib sheets. Has a safe working load of 359 kg and a breaking strength of 1079 kg. Learn More
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40mm Carbo ratchet block with becketSKU: HK2609Harken 40 mm Carbo Ratchet block are great for sheeting systems on smaller boats and trim lines on big boats. Max. line diameter for this block is 10 mm, it has a safe working load of 136 kg, a breaking strength of 454 kg and weights just 52 gram. Learn More
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40mm Carbo ratchet block with clamcleat and becketSKU: HK2611Harken 40mm Carbo Ratchet block are great for sheeting systems on smaller boats and trim lines on big boats. Max. line diameter for this block is 6 mm, it has a safe working load of 136 kg, a breaking strength of 272 kg and weights just 132 gram. Learn More
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57mm Carbo block with cam cleat and becketSKU: HK2616Harken 57 mm Carbo block with cam cleat and becket can be used for lines up to 10 mm and weighs 442 gram. Great for mainsheets and trim lines. Has a safe working load of 272 kg and a breaking strength of 680 kg. Learn More
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57mm Carbo automatic ratchet block with becketSKU: HK2626Harken 57mm Carbo automatic ratchet block with becket. Great for sheetingsystems and downhalls. Use line up to 10mm and the block weights 113 gram. Max workload is 227 kg and breaking strength is 907 kg. Learn More
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57mm Carbo automatic ratchet block with cam cleat and becketSKU: HK2628Harken 57mm Carbo automatic ratchet block with cleat and becket. Great for sheetingsystems and downhalls. Use line up to 10 mm and the block weights 275 gram. Max workload is 272 kg and breaking strength is 680 kg. Learn More
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40mm Carbo block with becketSKU: HK2637This Harken 40 mm Carbo block with becket is suitable for sheeting systems of small boats and trim lines for big boats. Use a max. line of 10 mm. It has a safe workload of 220 kg, a breaking strength of 735 kg and it weighs 48 gram. Learn More
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40mm Carbo block with cam cleat and becketSKU: HK2646This Harken 40 mm Carbo block is suitable for sheeting systems of small boats and trim lines for big boats. Use a max. line of 6 mm. It has a safe workload of 136 kg, a breaking strength of 272 kg and it weights 122 gram. Learn More
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40mm Carbo stand-up blockSKU: HK2652This Harken 40 mm Carbo stand-up block is suitable for sheeting systems of small boats and trim lines for big boats. Use a max. line of 10 mm. It has a safe workload of 220 kg, a breaking strength of 735 kg and it weighs 48 gram. Learn More
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75mm Carbo block with becketSKU: HK2661Harken 75mm Carbo block with becket. Great block for big boats, mainly used for sheetingsystems and trimlines. Can be used for lines up to 14mm and weights 214 gram. Has a max workload of 550 kg and a breakingstrenght of 1650 kg. Learn More
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75mm Carbo block with cam cleat and becketSKU: HK2667Harken 75mm Carbo block with cam cleat and becket. Great block for big boats, mainly used for sheeting systems and trim lines. Can be used for lines up to 12mm and weights 397 gram. Has a max workload of 272 kg and a breaking strength of 680 kg. Learn More
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75mm Carbo ratchet block with becketSKU: HK2671Harken 75mm Carbo ratchet block with becket. Great block for big boats, mainly used for sheetingsystems and trimlines. Can be used for lines up to 12mm and weighs 248 gram. Has a max workload of 341 kg and a breaking strength of 1361 kg. Learn More
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75mm Carbo automatic ratchet block with becketSKU: HK2681Harken 75mm Carbo automatic ratchet block with becket. Great block for big boats, mainly used for sheeting systems and trim lines. Can be used for lines up to 12mm and weighs 255 gram. Has a max workload of 341 kg and a breaking strength of 1361 kg. Learn More
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75mm Carbo automatic ratchet block with cam cleat and becketSKU: HK2684Harken 75 mm Carbo automatic ratchet block with cam cleat and becket. Great block for big boats, mainly used for sheeting systems and trim lines. Can be used for lines up to 12mm and weighs 440 gram. Has a max workload of 272 kg and a breaking strength of 680 kg. Learn More
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57mm Block Stand-up incl. padeye 6mm (1/4") fastener circle 37mm (1 15/32SKU: HK3227Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action. Learn More
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57mm Block single / low-load / becket swivelSKU: HK3229Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Learn More
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Upright Big Bullet Block 5mm (#10) RH FastenersSKU: HK222Low-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. Learn More
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Upright Bullet Block 5mm (#10) RH FastenersSKU: HK096Low-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. Learn More
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Wire upright Bullet Block 5mm (#10) RH FastenersSKU: HK108Low-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. Wire Bullet blocks use roller bearings to carry higher loads and feature hardcoat-anodized PTFE impregnated aluminum sheaves for strength and corrosion resistance. Learn More