Harken 57mm Triple Ratchamatic Block Swivel, Cam Cleat Boat J/111 Exclusive Membrane Inflatable Technology (MIT)

Exclusive Membrane Inflatable Technology (MIT) inflation cell with reflective tape and safety whistle

2x Grip provides sailors with three holding-power options to ensure optimal performance in varying wind and sea conditions

2x grip: big breeze/steady: 20:1 holding power

The Information You Need to Make Confident Decisions

Harken 57mm Triple Ratchamatic Block Swivel, Cam Cleat Boat J/111 Exclusive Membrane Inflatable Technology (MIT)The Carbo Ratchamatic is a load sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light air modes is seamless.