Ronstan Series 55 Ratchet Mount Orbit Block - Fiddle Becket Swivel [RF56510] Paddlesports | Safety Cap with built-in vacuum valve

Cap with built-in vacuum valve means no need for manual venting

Made of stainless steel and guaranteeing years of trouble free servicing

Sea Strainer Anode

Also ideally used to prime Whale In-Line Booster pumps

Note that the hubs have two clearance screw holes at one end

Ronstan Series 55 Ratchet Mount Orbit Block - Fiddle Becket Swivel [RF56510] Paddlesports | Safety Cap with built-in vacuum valveSeries 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