Blocks
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45mm Black Magic blockSKU: HK3391Black 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 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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16mm airblock - In-line exit blockSKU: HK368The 16 mm is Harken's smallest racing block. It is perfect for small control lines (up to 5 mm ) found on small sailboats and boats up to 30 foot. The bearing system uses stainless steel balls and has a 113 kg maximum working load, a breaking load of 544 kg and it weights just 27 gram. Learn More
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16mm double AirblockSKU: HK406The 16 mm is Harken's smallest racing block. It is perfect for small control lines (up to 5mm ) found on small sailboats and boats up to 30 foot. The bearing system uses stainless steel balls and has a 204 kg maximum working load, a breaking load of 544 kg and it weights just 27 gram. Learn More
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16mm Airblock double with becketSKU: HK407The 16 mm is Harken's smallest racing block. It is perfect for small control lines (up to 5mm ) found on small sailboats and boats up to 30 foot. The bearing system uses stainless steel balls and has a 204 kg maximum working load, a breaking load of 544 kg and it weights just 28 gram. Learn More
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57mm Block Double SwivelSKU: HK3217Black 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 Block Double / Becket SwivelSKU: HK3218Black 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 Block Double/SwivelSKU: HK3233Black 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 Footblock Double Black MagicSKU: HK3235Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Learn More
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Series 30 BB Block, Double Exit With Cover PlateSKU: RF30721Ball bearing, double, cover plate Learn More
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Series 40 AP Block, Fiddle BecketSKU: RF41510Captive Lock™ universal head
Slotted pin shackle eliminates fouled lines
Snap fit removable becket pin
Spare parts - RF41010 Replacement Becket Pin, RF150 Shackle Learn More -
Series 40 AP Block, Fiddle, CleatSKU: RF41520Captive Lock™ universal head
Slotted pin shackle eliminates fouled lines
Multi-position cleat arm Learn More -
Series 40 AP Block, Fiddle, Becket, CleatSKU: RF41530Captive Lock™ universal head
Slotted pin shackle eliminates fouled lines
Snap fit removable becket pin
Multi-position cleat arm
Learn More -
Series 19 Block Double, Tube Rivet RF662SKU: RF662Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets accept fixing screws, shacklesor can be used to add a becket for extra purchase. Learn More
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Series 40 AP Block, FiddleSKU: RF41500Captive Lock™ universal head
Slotted pin shackle eliminates fouled lines
Learn More