Item #868717

Harken 57 mm Carbo Air Block Ratchet Block - 2139

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Harken 57 mm Carbo Air Block Ratchet Block - 2139

Item # 868717

Description

The Harken 57 mm Carbo Air Block - Single Block with Swivel, Becket and 150 Cam-Matic (2139) is a lightweight, strong and affordable block. They enable safe and easy sail trimming and are 30% lighter, with a 60% higher working load, than classic blocks.

Features:

  • 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

Specifications:

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

Notes:

  • Do not use Harken Equipment for human suspension
  • 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

Part Numbers for Harken 57 mm Carbo Air Block Ratchet Block - 2139

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