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    40mm Carbo Single Block with Cleat and Becket

    Harken 40mm Carbo Single Block with Cleat and Becket


    Product description

    40mm Carbo Blocks

    Carbo AirBlocks® are 60% stronger and 30% lighter than Harken's Classic blocks.

    The nylon-resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Sheaves spin on high-load ball bearings with fitted races for low-friction operation. Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.

    Use 40 mm Carbo for jib and mainsheet systems on high-performance dinghies and for loaded control lines on small keelboats.

    Use for:

    • Main/jib sheets
    • Mainsheet fine-tune
    • Control lines
    • Vangs
    • Cunninghams
    • Outhauls


    • Sheave Ø 40 mm | 1-9/16 in
    • Length 102 mm | 4 in
    • Weight 122 g | 4.3 oz
    • Shackle pin Ø 4 mm | 5/32 in
    • Maximum line Ø 6 mm | 1/4 in
    • Maximum working load 136 kg | 300 lb
    • Breaking load 272 kg | 600 lb
    • Maximum Working Load and Breaking Load Based On Cam Cleat Strength

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