Ronstan Series 60 Core Block - Single Becket Universal Head ronstan series 30 exit box - high load single cover plate Ronstan is the only company

Ronstan is the only company that offers a 40mm ratchet block with both auto and manual engagement models*

S18-7944 Replaces:Mercury 35-807172

cast zinc alloy lock mechanism

Minimum distance from mast to mainsail luff enhances mainsail efficiency

Ronstan Series 60 Core Block - Single Becket Universal Head ronstan series 30 exit box - high load single cover plate Ronstan is the only companySingle, becket, universal head can be locked at 0 or 90 degrees or left free to swivel. FEATURES Class leading performance and sleek, contemporary styling. Excellent dynamic and high static load performance. Less than half the friction of the nearest competitor Univers Al head with full 3 axis articulation. Head posts can be locked at 0 or 90 degrees, by using a 2. 5mm Hex Key. Removable becket pin for fitting of pre spliced lines SPECIFICATIONS