Blocks
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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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80mm Plain Bearing Cheek BlockSKU: SE40800115RPLAIN BEARING BLOCKS Great performance in applications with heavy and static loads. Available in 20, 40, 50, 60, 70, 80 and 100 mm sheave diameters. Learn More
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80mm Plain Bearing Cheek Block with lockSKU: SE40800118RPLAIN BEARING BLOCKS Great performance in applications with heavy and static loads. Available in 20, 40, 50, 60, 70, 80 and 100 mm sheave diameters. Learn More
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80mm Plain Bearing Cheek Block with lock (Clockwise)SKU: SE40800121RPLAIN BEARING BLOCKS Great performance in applications with heavy and static loads. Available in 20, 40, 50, 60, 70, 80 and 100 mm sheave diameters. Learn More
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100mm Plain Bearing Cheek BlockSKU: SE41000115RPLAIN BEARING BLOCKS Great performance in applications with heavy and static loads. Available in 20, 40, 50, 60, 70, 80 and 100 mm sheave diameters. Learn More
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20mm Ball Bearing Cheek BlockSKU: SE40210113R
BALL 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.
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57mm Carbo T2 ratchamatic block 2x gripSKU: HK2170Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. More choices allow sailors to fine-tune their set-ups in tandem with the purchase that provides the ideal level of power, responsiveness and grip. Learn More
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29mm FLY BlockSKU: HK2171Harken soft-attach Fly blocks are designed to provide strength without mass, providing sailors with big power in a low-aero package. Designed specifically for high-tech line, these efficient blocks have an incredible working load for their small size. Learn More
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40mm FLY BlockSKU: HK2173Harken soft-attach Fly blocks are designed to provide strength without mass, providing sailors with big power in a low-aero package. Designed specifically for high-tech line, these efficient blocks have an incredible working load for their small size. Learn More
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S20 Single block for soft attachmentSKU: SE40210160RThe S20 single is a soft attachment block which offers low friction and low weight combined with a soft and flexible assembly. This block weights only 9 gram and is suitable for a line up to 6mm. This makes the block perfect for halyards, sheets and trimlines on dinghies and sportboats. Rope not included. Learn More
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S20 Single block for soft attachment with lineSKU: SE40210162RThe S20 single is a soft attachment block which offers low friction and low weight combined with a soft and flexible assembly. Attach the block with the supplied ready-made spliced loop. This block weights only 45 gram and is suitable for a line up to 6mm. This makes the block perfect for halyards, sheets and trimlines on dinghies and sportboats. Learn More
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S30 Single block for soft attachmentSKU: SE40310160RThe S30 single is a soft attachment block which offers low friction and low weight combined with a soft and flexible assembly. This block weights only 18 gram and is suitable for a line up to 8mm. This makes the block perfect for halyards, sheets and trimlines on dinghies and sportboats. Rope not included. Learn More
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S30 Single block for soft attachment with line & insertSKU: SE40310162RThe S30 single is a soft attachment block which offers low friction and low weight combined with a soft and flexible assembly. Attach the block with the supplied ready-made spliced loop and insert. This block weights only 69 gram and is suitable for a line up to 8mm. This makes the block perfect for halyards, sheets and trimlines on dinghies and sportboats. Learn More
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S40 Single block for soft attachmentSKU: SE40410160RThe S40 single is a soft attachment block which offers low friction and low weight combined with a soft and flexible assembly. This block weights only 47 gram and is suitable for a line up to 10mm. This makes the block perfect for halyards, sheets and trimlines on dinghies and sportboats. Rope not included. Learn More
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S40 Single block for soft attachment with line & insertSKU: SE40410162RThe S40 single is a soft attachment block which offers low friction and low weight combined with a soft and flexible assembly. Attach the block with the supplied rope and insert. This block weights only 128 gram and is suitable for a line up to 8mm. This makes the block perfect for halyards, sheets and trimlines on dinghies and sportboats. Learn More
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22mm micro cheek blockSKU: HK233Harken 22 mm Micro cheek block is compact and lightweight and can be used for lines up to 6mm. Great for smaller sailingboats and boats up to 30 foot, mostly used for trimlines and control lines. Have a working load of 91 kg and weight only 21 gram. Learn More
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29mm Carbo cheek blockSKU: HK350The 29 mm Harken Carbo cheek block can be used for lines up to 8mm. This block has a max working load of 150 kg, a breaking load of 454 kg and weighs just 17 grams. Learn More
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16mm cheek blockSKU: HK416The 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 12 gram. Learn More
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16mm Airblock cheek pivotSKU: HK432The 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 339 kg and it weights just 11 gram. Learn More
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57mm Carbo cheek block with ratchetSKU: HK2137Harken 57mm Carbo turtle block with ratchet. Great for sheeting systems and down hauls. Use line up to 10 mm and the block weighs 71 gram. Max workload is 227 kg and breaking strength is 907 kg. Learn More