Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Marine Navigation & Instruments | Sounder/Sonar Modules product code 77030500)

product code 77030500)

6-16mm(1/4" - 5/8") Rope Diameter

Package: The Fuel Flow Sensor

The 120mm (4

Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Marine Navigation & Instruments | Sounder/Sonar Modules product code 77030500)Series 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