HARKEN 57 mm Triple Carbo Block - Swivel, Becket, Cam Cleat, 2618 Depth_1/2" - 1" Depth The 57mm load-sensing Carbo Ratchamatic®

The 57mm load-sensing Carbo Ratchamatic® is adjustable for many applications and line loading conditions

Typically secured by an eyesplice at the end of a line

Featuring Black Magic palm material

Additional features include stainless-steel wire guides for smooth transitioning and sculpted sides to reduce weight

Opening side plates make them easy to deploy

HARKEN 57 mm Triple Carbo Block - Swivel, Becket, Cam Cleat, 2618 Depth_1/2" - 1" Depth The 57mm load-sensing Carbo Ratchamatic®Harken 57mm Carbo Air Triple Block with Cam Cleat and Becket for controlled easing of a 4: 1 or 5: 1 purchasing system. Low friction Carbo AirBlocks are lightweight, strong, reliableand economical. Consistently 30% lighter and 60% stronger than equivalent Classic blocks. The sideplates are UV stabilized, high strength resin and designed for small diameter lines favored by racers. Good for jib and mainsheet systems on high performance dinghies, and for