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    3" Single Block with Swivel Heavy Duty

    Harken 3" Single Block with Swivel Heavy Duty


    Product description

    The 3.00 in (76 mm) are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers.

    Delrin® ball bearings, sheave, and sideplates are UV stabilized with carbon black for maximum protection.

    The 3.00 in (76 mm) single block comes in high-load or low-load configurations. High-load blocks feature Torlon® bearings and forged stainless steel shackles.

    Use for:

    • Main and jib sheets
    • Spinnaker halyards
    • Control lines


    • Sheave Ø 76 mm | 3 in
    • Length 133 mm | 5-1/4 in
    • Weight 227 g | 8 oz
    • Shackle pin Ø 6 mm | 1/4 in
    • Maximum line Ø 12 mm | 7/16 in
    • Maximum working load 340 kg | 750 lb
    • Breaking load 1361 kg | 3000 lb

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