![Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Brand_Kuuma Products UPC: 085462034503](https://cdn.shopify.com/s/files/1/0746/2456/5549/files/70615XL.jpg?v=1705783763)
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UPC: 085462034503
or 4190 Ratchet Mounts
The bulkhead feed-thru also maintains the integrity of watertight bulkheads by providing a waterproof seal and connection
UPC: 091887316049
Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Brand_Kuuma Products UPC: 085462034503Series 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
