Ronstan Series 30 Single Upright Lead Block SCHAEFER DELRIN & ALUMINUM SHEAVES W/ BEARING such as when working outside

such as when working outside of conventional guardrails for cleaning and maintenance purposes

Stage 1 - Under moderate loads

Efficient bearing

Flatlock seams for low bulk

Ronstan Series 30 Single Upright Lead Block SCHAEFER DELRIN & ALUMINUM SHEAVES W/ BEARING such as when working outsideProduct Description Ronstan Series 30 Single Upright Lead Block Features Sheave 1 3 16 in. Max. Rope 5 16 in. Max. Cable in Fastener 3 16 in. M. W. L. 660 lb. B. L. 1650 lb. Weight 1. 1 oz. Product Information Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision molded Acetal sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball