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    Black Magic 75mm Single Block with Swivel and Becket

    Harken Black Magic 75mm Single Block with Swivel and Becket


    Product description

    Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.

    The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same. These strong, lightweight blocks feature free-rolling high-load Torlon® roller bearings for a high strength-to weight ratio.

    Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface.

    Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.


    • Sheave Ø: 75 mm | 2-15/16”
    • Length: 157 mm | 6-3/16”
    • Weight: 363 g | 12.8 oz
    • Shackle pin Ø: 8 mm | 5/16”
    • Maximum line Ø: 14 mm | 9/16”
    • Maximum working load: 2268 kg | 5000 lb
    • Breaking load: 4536 kg | 10000 lb

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