Ronstan Stanchion Block20mm (3/4") ball bearing sheave, suitable for up to 12mm (1/2") line, ensures that friction is kept to a minimum. Designed for 25mm (1") OD stanchions.
Range offers suitability for all types of trailer-able and keelboats
Excellent way of lifting furling lines off the deck and leading them aft.
U.V.stabilized Acetal sheave
U.V. stabilized Nylon housing
Weight - 1.1oz