Carbo AirBlocks® are 60% stronger and 30% lighter than Harken's Classic blocks.
The nylon resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.
Blocks feature Cam-Lock or U-Lock locking systems to lock the shackle in front or side positions, or swivel to keep line from twisting.
It releases easily under load and is perfect for mainsheet systems on sport boats like the Melges 24, J/105, and Henderson 30's.
Use for: Main/jib sheets, Mainsheet fine-tune, Control lines, Vangs, Cunninghams and Outhauls. - Sheave Dia. 2 15/16" 75 mm
- Length 6" 152 mm
- Weight w/Shackle 20.5 oz 580 gr
- Shackle Pin Dia. - 8 mm
- Max Line Dia. 9/16" 14 mm
- Maximum Working Load 3639 lbs 1650 kg
- Breaking Load 10,000 lbs 4535 kg
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