Harken Blocks

Harken Logo

Harken produce highly technical, strong yet lightweight performance blocks. Known for dominating events like the America's Cup and the Olympics, Harken blocks are found on everything from dinghies to megayachts and super cruised. Harken push the boundaries of existing technology and are keen to introduce new ones.

Harken 16mm Blocks

Harken 16mm Blocks

Sheave Ø: 16mm
Max Rope Ø: 5mm
Working Loads: 113-318kg
Very small, light blocks with excelent perfromance. Class leading working load for the size they feature S/S housing and grooved races for smooth running and S/S ball bearings.
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Harken Micro Blocks

Harken Micro Blocks

Sheave Ø: 22mm
Max Rope Ø: 6mm
Working Loads: 91-227kg
Compact and lightweight blocks. Outstanding low-friction performance when lightly loaded yet still capable of taking 91kg working load per sheave.
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Harken Bullet Blocks

Harken Bullet Blocks

Sheave Ø: 29mm
Max Rope Ø: 8mm
Working Loads: 136-340kg
Classic Harken Blocks that are compact and low friction. Fast trim and release under high or low loads thanks to it's Delrin ball bearing system.
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Harken Wire Bullet Blocks

Harken Bullet Blocks

Sheave Ø: 29mm
Max Rope Ø: 8mm
Working Loads: 136-340kg
Classic Harken Bullet Blocks with the addtion of a Hard, Lube-anodized PTFE-impregnated aliuminium sheave to wire.
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Harken 29mm Carbo

Harken 29mm Carbo Blocks

Sheave Ø: 29mm
Max Rope Ø: 8mm
Working Loads: 150-449kg
30% Lighter and 60% Stronger than Classic Harken Blocks. High-Strength, very light weight nylon resin materials and Delrin Ball Bearings. Strong open sheave design allows for use as a compact becket block.
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Harken 40mm Carbo

Harken 40mm Carbo Blocks

Sheave Ø: 40mm
Max Rope Ø: 10mm
Working Loads: 220-660kg
30% Lighter and 60% Stronger than Classic Harken Blocks. High-Strength, very light weight nylon resin materials and Delrin Ball Bearings. Strong open sheave design allows for use as a compact becket block.
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Harken 57mm Carbo

Harken 57mm Carbo Blocks

Sheave Ø: 57mm
Max Rope Ø: 10mm
Working Loads: 359kg
30% Lighter and 60% Stronger than Classic Harken Blocks. High-Strength, very light weight nylon resin materials and Delrin Ball Bearings. Strong open sheave design allows for use as a compact becket block.
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Harken Carboratchet

Harken Carboratchet Blocks

Sheave Ø: 57mm
Max Rope Ø: 10mm
Working Loads: 227kg
30% Lighter and 60% Stronger than Classic Harken Blocks. On/Off Switch accesable from both sides. 10:1 Holding power with 180° Wrap
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Harken Cheek Blocks

Harken Cheek BlocksHarken Ratchet Cheek

Sheave Ø: 16-57mm
Max Rope Ø: 5-10mm
Working Loads: 91-227kg
A wide selection of Harken cheek blocks in all sizes for all spaces and applications.
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