Ronstan Upright Lead Block 50mm ronstan ball bearing series 30 - single swivel shackle head A set screw arrangement allows

A set screw arrangement allows the head to be locked at 0° or 90°

Hardware covers

Manufactured from super tough UV stabilised roto moulded polyethylene

The contour lock system allows it to be a stand alone unit or locked together with other switches

Ronstan Upright Lead Block 50mm ronstan ball bearing series 30 - single swivel shackle head A set screw arrangement allowsThis 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