Ronstan Series 75 BB Single Core Block - Universal Head Product Type_Air Pump Accessories Forespar Marelon Y-Valves offering an

Forespar Marelon Y-Valves offering an improved

Constructed of high strength non-corrosive plastic

Formulated by high quality concentrated resin

RYA Yacht Sailing Techniques is the perfect companion for any skipper or crew looking for the basic skills to enjoy cruising in good conditions

Ronstan Series 75 BB Single Core Block - Universal Head Product Type_Air Pump Accessories Forespar Marelon Y-Valves offering anRonstan Series 75 Ball Bearing Single Core Block Universal Head (RF74100) Features Class leading performance and sleek, contemporary styling Excellent dynamic and high static load performance Less than half the friction of the nearest competitor Universal head with full 3 axis articulation Head posts can be locked at 0 or 90 degrees, by using a 2. 5mm Hex Key Alloy Rope Wire sheave version also available, special order only Central hub hole can be