Harken Carbo Air Block Ratchet Block - 57 mm (2 1/4") - 2139

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