Carbo AirBlocks® are 60% stronger and 30% lighter than our
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
The high-load 57 mm Carbo has a broad working range. Use
for main and jib sheets on centerboard and keelboats like
Lightnings, Dragons, Solings, and J/24s, and for mainsheet
systems on catamarans.
10:1 Mainsheet for Beachcat
Part Number: HSB380