Ronstan RF74108 serie 75 Core block mast base

Class leading performance and sleek, contemporary styling.

Excellent dynamic and high static load performance.

Less than half the friction of the nearest competitorSuits direct attachment to mainsail headboard for 2:1 halyard.

Removable 8mm (5/16”) screw pin at head.

Acetal roller on head pin to suit spliced line attachment.

Alloy Rope/Wire sheave version also available.

Central hub hole can be used as a becket take-off or tie-up point