Ronstan Upright Lead Block - High Load 50mm throttle Diaphragm design can run dry

Diaphragm design can run dry for extended periods

you first must upgrade to Star Gazer

No gasket or decals included

2 1/2" Exhaust

Cassell's Gunnel Insert is made from top quality rubber to ensure easy installation and a long term quality finish

Ronstan Upright Lead Block - High Load 50mm throttle Diaphragm design can run dryThis upright lead block from Ronstan is typically used for halyards at the mast base. Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Manufactured with a wear resistant Nylatron sheave a lightweight self lubricating polymer. This upright block with 50mm sheave is suitable for use with rope or wire. Features: Acetal ball bearings UV stabilised Acetal