Blocks
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Wire Block Single/BecketSKU: HK313Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. 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 Airblock through-deckSKU: HK421The 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 113 kg maximum working load, a breaking load of 544 kg and it weights just 18 gram. Learn More
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Wire Block Single forkhead / becketSKU: HK466Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. The 466 features a forkhead and becket making it useful for vangs, halyards and control lines. Learn More
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Through-deck Dinghy Block 4mm (#8) RH FastenersSKU: HK046Low-profile Dinghy blocks are compact and lightweight, with fast trim and release under high or low loads. Blocks are designed for dinghies and for light-duty control lines on larger boats. Learn More
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Through Deck Bullet Block 5mm (#10) FH FastenersSKU: HK088Low-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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In-Line Exit Bullet Block 5mm (#10) FH FastenersSKU: HK089Low-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 Through Deck Bullet Block 5mm (#10) FH FastenersSKU: HK106Low-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
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Through-deck Big Bullet Block 5mm (#10) FH FastenersSKU: HK131Low-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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In-Line Exit Big Bullet Block 5mm (#10) FH FastenersSKU: HK134Low-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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30mm Ball Bearing Block Through DeckSKU: SE40310122RBALL BEARING BLOCKS
Ball bearing blocks are used where the loads are more moderate and dynamic. The ball bearings provide for good sheave rotation with the lowest possible friction. Available in 20, 30, 40 and 60 mm sheave diameters. Learn More -
30mm Ball Bearing Lead BlockSKU: SE40310123RBALL BEARING BLOCKS
Ball bearing blocks are used where the loads are more moderate and dynamic. The ball bearings provide for good sheave rotation with the lowest possible friction. Available in 20, 30, 40 and 60 mm sheave diameters. Learn More -
30mm Ball Bearing Double Block Through DeckSKU: SE40310124RBALL BEARING BLOCKS
Ball bearing blocks are used where the loads are more moderate and dynamic. The ball bearings provide for good sheave rotation with the lowest possible friction. Available in 20, 30, 40 and 60 mm sheave diameters. Learn More -
40mm Ball Bearing Block Through DeckSKU: SE40410122RBALL BEARING BLOCKS
Ball bearing blocks are used where the loads are more moderate and dynamic. The ball bearings provide for good sheave rotation with the lowest possible friction. Available in 20, 30, 40 and 60 mm sheave diameters. Learn More -
40mm Ball Bearing Lead BlockSKU: SE40410123R
BALL BEARING BLOCKS
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Ball bearing blocks are used where the loads are more moderate and dynamic. The ball bearings provide for good sheave rotation with the lowest possible friction. Available in 20, 30, 40 and 60 mm sheave diameters. -
40mm Ball Bearing Double Through Deck BlockSKU: SE40410124RBALL BEARING BLOCKS
Ball bearing blocks are used where the loads are more moderate and dynamic. The ball bearings provide for good sheave rotation with the lowest possible friction. Available in 20, 30, 40 and 60 mm sheave diameters. Learn More -
45mm Wire BlockSKU: SE40420101RHIGH LOAD PLAIN BEARING BLOCKS
These blocks are optimized for wires or Dyneema, Spectra and Stirotex
Available in 45, 60, 80, 100 and 130 mm sheave diameters. Learn More -
60mm Wire BlockSKU: SE40610101RHIGH LOAD PLAIN BEARING BLOCKS
These blocks are optimized for wires or Dyneema, Spectra and Stirotex
Available in 45, 60, 80, 100 and 130 mm sheave diameters. Learn More -
80mm Wire BlockSKU: SE40810101RHIGH LOAD PLAIN BEARING BLOCKS
These blocks are optimized for wires or Dyneema, Spectra and Stirotex
Available in 45, 60, 80, 100 and 130 mm sheave diameters. Learn More -
Wire Block, Tube Rivet Top, Nylatron SheaveSKU: RF103Flared cheeks to minimise chafing
Removable sheaves Learn More