Ronstan Special Purpose Blocks Series 20 - 50 - Single, Loop Head hot foot Nylon insert helps prevent nut

Nylon insert helps prevent nut from coming undone

GM Water Circulating Pump V8 Big Block 7

the Faria GPS Speedometer is giving you the most accurate

please specify on checkout if you have a preference for either brand

Ronstan Special Purpose Blocks Series 20 - 50 - Single, Loop Head hot foot Nylon insert helps prevent nutIdeal 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