Ronstan 55 mm Orbit Ratchet Block w/ Swivel Ronstan $92.10 Perfect for spinnaker sheet turning blocks. This Ronstan block is free wheeling at low wind velocity. As the wind velocity increases the pressure on the sheave automatically engages the ratchet. The sheet rope is never trapped in the sheave and can slide... Qty in Cart: 0 Price: $92.10 Subtotal:
