Blocks
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45mm Black Magic double loop blockSKU: HK3390Black 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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45mm Black Magic loop blockSKU: HK3389Black 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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50mm Protexit block Trough DeckSKU: HK1203When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong! Learn More
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30mm Protexit block Trough DeckSKU: HK1200When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong! Learn More
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30mm Protexit block Trough Deck doubleSKU: HK1201When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong! Learn More
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40mm Protexit block Trough DeckSKU: HK1202When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong! Learn More
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60mm Protexit block Trough DeckSKU: HK1204When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong! Thanks to Harken Protexit™ blocks, wear from side angle loading is not inevitable. Protexit’s all-aluminum, wear-resistant housing carefully ushers line in and out no matter the angle. There’s more: Protexit blocks offer higher working loads than any small boat exit blocks we’ve ever made. Protexit aluminum sheaves rotate on sleeve bearings with Delrin® sideload balls so they don’t deform in extreme conditions, while reducing wear on the halyard, too.
Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Learn More -
57mm Block Single Loop (loop not includedSKU: HK3214Black 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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57mm Aluminium Footblock - LockoffSKU: HK3221Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Learn More
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75mm Block Single Loop (loop not includedSKU: HK3230Black 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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75mm Aluminium Footblock - Black MagicSKU: HK3234Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Learn More
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75mm Footblock Double Black MagicSKU: HK3235Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Learn More
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75mm Air Runner Block Single/BecketSKU: HK3239Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Learn More
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100mm Air Runner Block SingleSKU: HK3251Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Learn More
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Series 55 Ball Bearing Orbit Block Single RF55101SKU: RF55101Easily fitted and securely retained Dyneema Link head. Learn More
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Series 55 Ball Bearing Orbit Block Single, becket RF55111SKU: RF55111Easily fitted and securely retained Dyneema Link head
Ultra low profile becket Learn More -
Series 55 BB Orbit Block, Cheek RF55151SKU: RF55151Cheek block with recessed underside to suit cruved mounting surface Learn More
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Series 55 BB Orbit Block, Upright Lead RF55171SKU: RF55171• Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
• Halyard, Vang and Backstay application on boats to 8m (26ft)
• Control line applications on larger yachts Learn More -
Series 55 Ball Bearing Orbit Block Double RF55201SKU: RF55201Easily fitted and securely retained Dyneema Link head. Single inner cheeks for minimum Weight & compactness Learn More
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Series 55 Ball Bearing Orbit Block Triple RF55301SKU: RF55301Easily fitted and securely retained Dyneema® Link head. Single inner cheeks for minimum Weight & compactness Learn More