Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Marine Navigation & Instruments | GPS - Track Plotter or at home

or at home

Diameter (Inches): 2

Silent and vibrationless operation

12" x 12" Standard Mount Trim Tab Kit without Switch Kit- 12V

Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Marine Navigation & Instruments | GPS - Track Plotter or at homeSeries 40 Ball Bearing Block Single Upright Lead 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 bearing system provides consistent performance over the full load range. Applications: Typically used for halyards at the mast base. Materials: Acetal ball