Ronstan Series 55 Ratchet Mount Orbit Block - Fiddle Becket Swivel [RF56510] Marine Plumbing & Ventilation | Engine Cooling Pumps Activation Method: Manual

Activation Method: Manual

35m (4'5") mast head unit with transmitter lifts the wind sensor into clearer air

NAC-2 and NAC-3 autopilot computers

Snap-in port fittings include both: 1/2" barbed hose fittings and 1/2" threaded hose fittings

Ronstan Series 55 Ratchet Mount Orbit Block - Fiddle Becket Swivel [RF56510] Marine Plumbing & Ventilation | Engine Cooling Pumps Activation Method: ManualSeries 55 Ratchet Mount Orbit Block Fiddle Becket Swivel Features: Up to 20: 1 holding power Smooth easing of sheets High performance cleating Automatic ratchet block Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes*. In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's