Harken 57 mm Carbo Air Block Ratchet Block
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Harken 57 mm Carbo Air Block Ratchet Block

  • Single Ratchet Block with Swivel, 150 Cam-Matic®, and Becket
  • Maximum Working Load: 600 lbs
  • Maximum Line Size: 3/8"
  • Item #: 
    Model #: 
    Shipping Weight: 
    2.00 Lbs.
    List Price: 

    Made in the USA




    • Precise on / off control
    • Accessible and easy-to-operate on / off switches on both sides of the block
    • Designed for use with :
      • Main / Jib sheets
      • Spinnaker sheets
      • Traveler controls
      • Foreguys


    • Maximum Working Load: 600 lb (272 kg)
    • Breaking load: 1500 lb (680 kg)
    • Weight: 9oz (255g)
    • Sheave diameter: 2-1/4" (57 mm)
    • Maximum line size: 3/*" (10 mm)

    Note: For the ultimate system, mount a switchable ratchet in the cockpit and a boom-mounted Ratchamatic® directly above for double holding power in heavy air and a free running mainsheet when it's light. The 57 mm provides up to 10:1 holding power


    Note:  DO NOT use Harken Equipment for Human suspension.

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov

    Harken 57mm Carbo AirBlock
    Item #: 614042
  • Single Block with Swivel and Becket
  • Safe Working Load: 792 lbs
  • Maximum Line Size: 7/16"
  •  Include

    Model #:

    Harken 57 mm Carbo Air Block
    Item #: 614050
  • Single Block with Swivel and 150 Cam-Matic
  • Max. Working Load: 300 lbs
  • Maximum Line Size: 3/8"
  •  Include

    Model #:

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