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Harken 57mm Narrow Teardrop Mastcollar Block

Harken 57mm Narrow Teardrop Mastcollar Block

Product Details

    Technical Description

    Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.

    Tech Specs

    Imperial Metric
    Sheave Ø 57 mm 2 1/4 in
    Length 89 mm 3 1/2 in
    Width 59 mm 2 5/16 in
    Weight 94 g 3.3 oz
    Clevis pin Ø 6 mm 1/4 in
    Maximum line Ø 10 mm 3/8 in
    Maximum working load 748 kg 1650 lb
    Breaking load 1497 kg 3300 lb

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