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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
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Harken 57mm Carbo Ratchet Block - 2135
£97.03 £106.74
Harken 57mm Automatic Ratchet T2 Soft-Attach Block - 2160
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Harken 57mm Automatic Ratchet T2 Soft-Attach Block - 2160
£98.94 £108.83
Harken 57mm Carbo Ratchet Block - Red Sheave - 2135.RED
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Harken 57mm Carbo Ratchet Block - Red Sheave - 2135.RED
£101.92 £112.11
57mm Harken Carbo Ratchamatic Block - 2625
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57mm Harken Carbo Ratchamatic Block - 2625
£136.76 £150.44
57mm Harken Carbo Ratchamatic Block x 1.5 Grip - 2165
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57mm Harken Carbo Ratchamatic Block x 1.5 Grip - 2165
£143.62 £157.98
Harken 57mm T2 Soft-Attach Carbo Block - 2152
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Harken 57mm T2 Soft-Attach Carbo Block - 2152
£60.76 £66.83
Harken 57mm Automatic Ratchet T2 Soft-Attach Block - Red Sheave - 2160.RED
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Harken 57mm Automatic Ratchet T2 Soft-Attach Block - Red Sheave - 2160.RED
£103.91 £114.30
Harken 57mm Carbo T2 Loop Block - 2151
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Harken 57mm Carbo T2 Loop Block - 2151
£68.05 £74.86
Harken 57mm Automatic Ratchet T2 Soft-Attach Block x 1.5 Grip - 2167
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Harken 57mm Automatic Ratchet T2 Soft-Attach Block x 1.5 Grip - 2167
£103.91 £114.30
Harken 57mm Carbo Ratchet Block x 1.5 Grip - 2166
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Harken 57mm Carbo Ratchet Block x 1.5 Grip - 2166
£101.92 £112.11
Harken 57mm Cheek Block - 2606
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Harken 57mm Cheek Block - 2606
£57.18 £62.90
Harken 57mm Carbo 5 Sheave Block - 2762
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Harken 57mm Carbo 5 Sheave Block - 2762
£266.14 £292.75
57mm Harken Carbo Ratchamatic Block - Red Sheave - 2625.RED
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57mm Harken Carbo Ratchamatic Block - Red Sheave - 2625.RED
£143.62 £157.98
Harken 57mm Ratchamatic Flip-Flop Block - 2144
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Harken 57mm Ratchamatic Flip-Flop Block - 2144
£290.39 £319.43
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
£407.69 £448.46
Harken 57mm Triple Ratchet Block with Swivel, Becket and Cam Cleat - 2141
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Harken 57mm Triple Ratchet Block with Swivel, Becket and Cam Cleat - 2141
£331.45 £364.60
57mm Harken Carbo Ratchamatic Block x 2 Grip - 2168
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57mm Harken Carbo Ratchamatic Block x 2 Grip - 2168
£143.62 £157.98
57mm Harken Carbo Ratchamatic HTE Block x 1.5 Grip - 2165.HTE
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57mm Harken Carbo Ratchamatic HTE Block x 1.5 Grip - 2165.HTE
£150.79 £165.87
Harken 57mm Ratchet Block with Cam Cleat, Becket and Swivel - 2139
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Harken 57mm Ratchet Block with Cam Cleat, Becket and Swivel - 2139
£226.85 £249.53
Harken 57mm Carbo Quad Block - 2631
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Harken 57mm Carbo Quad Block - 2631
£237.78 £261.56
Harken 57mm Fiddle Block with Swivel - 2621
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Harken 57mm Fiddle Block with Swivel - 2621
£73.94 £81.34
Harken 57mm Zircon Block
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Harken 57mm Zircon Block
£80.63 £88.69
Harken 57mm Zircon Block With Becket
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Harken 57mm Zircon Block With Becket
£83.00 £91.30
Harken 57mm Double Zircon Block
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Harken 57mm Double Zircon Block
£158.89 £174.78
Harken 57mm Double Zircon Block With Becket
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Harken 57mm Double Zircon Block With Becket
£167.18 £183.90
Harken 57mm Triple Zircon Block
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Harken 57mm Triple Zircon Block
£237.14 £260.86
Harken 57mm Triple Zircon Block With Becket
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Harken 57mm Triple Zircon Block With Becket
£261.43 £287.58
Harken 57mm Carbo Ratchamatic Cheek Block - 2633
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Harken 57mm Carbo Ratchamatic Cheek Block - 2633
£140.52 £154.57
57mm Harken Carbo HTE Ratchamatic Block - 2625.HTE
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57mm Harken Carbo HTE Ratchamatic Block - 2625.HTE
£143.62 £157.98
Harken 57mm Carbo Ratchet Cheek Block - 2137
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Harken 57mm Carbo Ratchet Cheek Block - 2137
£104.69 £115.16
Harken 57mm Triple Carbo Ratchet Block with Swivel - 2632
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Harken 57mm Triple Carbo Ratchet Block with Swivel - 2632
£472.81 £520.09
Harken 57mm Fiddle Block with Swivel and Becket - 2622
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Harken 57mm Fiddle Block with Swivel and Becket - 2622
£82.13 £90.34