This 57mm Cheek Ratchamatic Boat Block from harken is a load-sensing ratchet block that uniquely rolls in both directions when put under light loads. As the load increases, the ratchet mechanism automatically engages in a seamless transition.
Specifications -
- Fasteners (mm):M4
- Maximum Line Ø (mm):10
- Length (mm):83
- Weight (g):89
- Sheave Ø (mm):57
- Maximum Working Load (kg):227
- Breaking Load (kg):907