Harken 29mm Double Swivel Carbo Block BLOCKS allowing easy attachment to dipstick

allowing easy attachment to dipstick tubes with male garden hose threads

Buoyancy: 6 lbs

and easy expansion with additional Gas Detectors available

Ideal for all diving applications

This ratchet enables sailors to grip loaded lines confidently

Harken 29mm Double Swivel Carbo Block BLOCKS allowing easy attachment to dipstickThe compact 29 mm Carbo is extremely strong. Use our miniature Carbo as a mainsheet block on small dinghies such as the Optimist, or for low friction control blocks on any size boat. Doubles and triples feature U Locks to hold the swivel in front side position, or to let it spin freely. The triples compact cam arm supports high load purchases of 5: 1 or 6: 1. The line shedding cheek block features a small mounting footprint and drain holes. The low