Ronstan Special Purpose Blocks Series 20 - 50 - Single, Loop Head horn Recess is machined in the

Recess is machined in the back of pulley to allow pulley to locate

Low mounting points for maximum strength

Sea Water Pump - Mercruiser - S18-36001

Available in 2 styles bolt-on version for permanent mounting or clip-on version for removable use

Trick/Wakeboard

Ronstan Special Purpose Blocks Series 20 - 50 - Single, Loop Head horn Recess is machined in theIdeal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire. Can be fitted with a shackle in either of two planes to allow correct alignment of the block. Features: Exceptionally high working loads Lightweight Suitable for both rope or wire Applications: Dinghy control lines, Dinghy vangs Cunninghams Traveller controls Halyards Backstays Materials: Nylatron sheave