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Harken 40mm Pivoting Lead Block with Cam-Matic Cleat - 2156

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This product has a lead time, please read the description. More info

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Product Information

  • Harken 40mm Pivoting Lead Block with Cam-Matic Cleat - 2156

    Harken 40mm high strength pivoting lead blocks with cam cleats are used for halyard controls on larger keelboats and as “head knockers” on dinghies and beachcats for sheeting directly from the boom. They are also seen on catamaran masts for kite hoists and cleating.

    Hole spacing and rivet size are the same as Classic models, making upgrades easy. The cam cleat can be reversed for either up or downward cleating.

    Please note: This product comes with a lead time expected to be up to 10 working days.


    • Sheave Ø (mm) - 40mm
    • Length (mm) - 112 mm
    • Weight (g) - 186g
    • Maximum line Ø (mm) - 10mm
    • Maximum working load (kg) - 136kg
    • Breaking load (kg) - 430kg

    Footnote - Maximum working loads and breaking loads for blocks based on cam strengths.



Harken kit is built to last and comes with a 5 year warranty.

Harken warrants the original purchaser that each Harken product, when properly installed, used and maintained, will be free from defects in material and workmanship under normal conditions of use, from the date of receipt of the product by the final customer.

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