![Ronstan Series 20 Lead Block - Single Pivoting Sheave [RF20174]](http://cdn.shopify.com/s/files/1/0499/1942/6726/products/70790XL_{width}x.jpg?v=1605267585)
Series 20 Lead Block - Single Pivoting Sheave
Features:
- 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.
Applications:
- Pivoting version suits controls that need to be trimmed from either side of the boat.
Materials:
- Grade 316 stainless steel ball bearings
- UV stabilized Acetal sheave
- Grade 316 stainless steel load housing