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    Narrow Halyard & Steering Sheaves

    102 mm Masthead Sheave

    Part No. C6725
    $421.00$105.32  Limited Quantities In Stock
    Sheave Ø (mm)102 mm
    Sheave Ø (in)4 in
    Maximum line Ø (mm)10 mm
    Maximum line Ø (in)3/8 in
    Maximum working load (kg)3207 kg
    Maximum working load (lb)7068 lb

    Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload-carrying balls with a PTFE composite bushing for radial loads.

    Sheave Ø (mm)102 mm
    Sheave Ø (in)4 in
    Width (mm)19 mm
    Width (in)3/4 in
    Weight (g)205 g
    Weight (oz)7.23 oz
    Center pin Ø (mm)19.1 mm
    Center pin Ø (in).75 in
    Maximum line Ø (mm)10 mm
    Maximum line Ø (in)3/8 in
    Maximum working load (kg)3207 kg
    Maximum working load (lb)7068 lb
    FootnoteBreaking load based on use of solid 304 stainless shafts. 

    DO NOT use Harken Equipment for Human suspension.

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