• Open for In-Store Shopping (Max Capacity 18)
  • Parking Lot Pickup Available
  • Shipping Available Across Canada

    57mm Carbo Block 5-Sheave

    Harken 57mm Carbo Block 5-Sheave


    Product description

    These smooth-running powerful performers make trimming easy, no matter how hard the wind blows. Carbo Air blocks are made of tough reinforced composite in a size and style to fit any system: singles, doubles, triples, quads, and quints; ratchets and fiddles; soft and hard attach. Perfect for main, jib and spinnaker sheets on dinghies and sportboats; control lines on boats of all sizes.

    Lightweight, strong and reliable fiber-reinforced composite construction.

    Ball bearings, sheave, and sideplates are UV-stabilized.


    • Sheave Ø: 57 mm | 2-1/4”
    • Length: 121 mm | 4-3/4”
    • Weight: 448 g | 15.8 oz
    • Shackle pin Ø: 6 mm
    • Maximum line Ø: 10 mm | 3/8”
    • Maximum working load: 1080 kg | 2380 lb
    • Breaking load: 2270 kg | 5000 lb

    Forgot your password?

    • All your orders and returns in one place
    • The ordering process is even faster
    • Your shopping cart stored, always and everywhere


    By using our website, you agree to the use of cookies. These cookies help us understand how customers arrive at and use our site and help us make improvements. Hide this messageMore on cookies »
    Powered by Lightspeed