Ronstan Series 55 Single Swivel Head Ratchet Orbit Block, Auto/Manual Spinlock Pinstop and ball bearing genoa

Pinstop and ball bearing genoa lead cars both run on ball bearing track

Vang and Backstay application on boats to 8m (26ft)Control line applications on larger yachts

Maximum line Ø (mm)10 mm

Model# Color Center style DP60-W White Smooth

alloy cheeks and stainless fixings complete the durable package

Ronstan Series 55 Single Swivel Head Ratchet Orbit Block, Auto/Manual Spinlock Pinstop and ball bearing genoaNow 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 released. This lets the sheet run out smoothly and freely great for rapid easing of the sheet and for gybing asymmetric spinnakers. In manual mode, the ratchet mechanism