Ronstan Series 20 Lead Block - Single Pivoting Sheave [RF20174]
Series 20 Lead Block - Single Pivoting Sheave
180 degree pivoting sheave
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 stainless steel or Torlon® ball bearings provide high performance & low friction.
Pivoting version suits controls that need to be trimmed from either side of the boat.