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Home / Harken 57mm Blocks

Harken 57mm Blocks

The 57mm block from Harken comes in three formats, the carbo, the ratchet carbo and the newer Power3 ratchet blocks. The ratchet version of the 57mm Harken block come either with on/off switches or as an automatic ratchet.

Harken 57mm blocks are lightweight, strong and reliable with a fiber-reinforced composite construction meaning they have a great strength to weight ratio.

You can expect breaking loads of up to 2,270kgs.

Explore other Harken block and pulley sizes on our Harken blocks page.

Harken 57mm Carbo Ratchet Block - 2135
Sale
Harken 57mm Carbo Ratchet Block - 2135
£75.68 £83.24
Harken 57mm Automatic Ratchet T2 Soft-Attach Block - 2160
Sale
Harken 57mm Automatic Ratchet T2 Soft-Attach Block - 2160
£77.18 £84.89
Harken 57mm Carbo Ratchet Block - Red Sheave - 2135.RED
Sale
Pre-Order
Harken 57mm Carbo Ratchet Block - Red Sheave - 2135.RED
£79.48 £87.43
57mm Harken Carbo Ratchamatic Block - 2625
Sale
57mm Harken Carbo Ratchamatic Block - 2625
£96.00 £117.34
Harken 57mm Carbo Ratchet Block x 1.5 Grip - 2166
Sale
Pre-Order
Harken 57mm Carbo Ratchet Block x 1.5 Grip - 2166
£79.48 £87.43
57mm Harken Carbo Ratchamatic Block x 1.5 Grip - 2165
Sale
Pre-Order
57mm Harken Carbo Ratchamatic Block x 1.5 Grip - 2165
£112.00 £123.20
Harken T2 Soft-Attach Carbo 57mm Block - 2152
Sale
Harken T2 Soft-Attach Carbo 57mm Block - 2152
£47.38 £52.12
Harken 57mm Carbo T2 Loop Block - 2151
Sale
Harken 57mm Carbo T2 Loop Block - 2151
£53.08 £58.38
Harken 2.25" Hexaratchet® Block with Swivel
Sold out
Harken 2.25" Hexaratchet® Block with Swivel
£41.66 £74.12
Sold out: You just missed it
Harken 57mm Automatic Ratchet T2 Soft-Attach Block x 1.5 Grip - 2167
Sale
Pre-Order
Harken 57mm Automatic Ratchet T2 Soft-Attach Block x 1.5 Grip - 2167
£81.03 £89.13
Harken 57mm Automatic Ratchet T2 Soft-Attach Block - Red Sheave - 2160.RED
Sale
Pre-Order
Harken 57mm Automatic Ratchet T2 Soft-Attach Block - Red Sheave - 2160.RED
£81.03 £89.13
57mm Harken Cheek Block - 2606
Sale
57mm Harken Cheek Block - 2606
£44.60 £49.06
Harken 57mm Ratchamatic Flip-Flop Block - 2144
Sale
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Harken 57mm Ratchamatic Flip-Flop Block - 2144
£226.45 £249.09
Harken 57mm Triple Ratchamatic Block with Swivel, Becket and Cam Cleat - 2630
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Harken 57mm Triple Ratchamatic Block with Swivel, Becket and Cam Cleat - 2630
£317.90 £349.69
57mm Harken Carbo Ratchamatic HTE Block x 1.5 Grip - 2165.HTE
Sale
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57mm Harken Carbo Ratchamatic HTE Block x 1.5 Grip - 2165.HTE
£117.60 £129.36
Harken 57mm Ratchet Block with Cam Cleat, Becket and Swivel - 2139
Sale
Pre-Order
Harken 57mm Ratchet Block with Cam Cleat, Becket and Swivel - 2139
£176.90 £194.59
57mm Harken Carbo Ratchamatic Block - Red Sheave - 2625.RED
Sale
Pre-Order
57mm Harken Carbo Ratchamatic Block - Red Sheave - 2625.RED
£112.00 £123.20
Harken 57mm Fiddle Block with Swivel - 2621
Sale
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Harken 57mm Fiddle Block with Swivel - 2621
£57.68 £63.44
Harken 57mm Triple Ratchet Block with Swivel, Becket and Cam Cleat - 2141
Sale
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Harken 57mm Triple Ratchet Block with Swivel, Becket and Cam Cleat - 2141
£258.45 £284.29
57mm Harken Carbo Ratchamatic Block x 2 Grip - 2168
Sale
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57mm Harken Carbo Ratchamatic Block x 2 Grip - 2168
£112.00 £123.20
Harken 57mm Carbo Ratchamatic Cheek Block - 2633
Sale
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Harken 57mm Carbo Ratchamatic Cheek Block - 2633
£109.58 £120.53
57mm Harken Carbo HTE Ratchamatic Block - 2625.HTE
Sale
Pre-Order
57mm Harken Carbo HTE Ratchamatic Block - 2625.HTE
£112.00 £123.20
Harken 57mm Carbo Ratchet Cheek Block - 2137
Sale
Pre-Order
Harken 57mm Carbo Ratchet Cheek Block - 2137
£81.65 £89.82
Harken 57mm Carbo Ratchet Block with Swivel and 40mm Side Carbos
Sale
Pre-Order
Harken 57mm Carbo Ratchet Block with Swivel and 40mm Side Carbos
£316.03 £332.67
Harken 57mm Carbo 5 Sheave Block - 2762
Sale
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Harken 57mm Carbo 5 Sheave Block - 2762
£207.34 £228.08
Harken 57mm Triple Carbo Ratchet Block with Swivel - 2632
Sale
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Harken 57mm Triple Carbo Ratchet Block with Swivel - 2632
£368.70 £405.57
Harken 57mm Carbo Quad Block - 2631
Sale
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Harken 57mm Carbo Quad Block - 2631
£185.40 £203.94
Harken 57mm Fiddle Block with Swivel and Becket - 2622
Sale
Pre-Order
Harken 57mm Fiddle Block with Swivel and Becket - 2622
£64.05 £70.46