![Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Marine Safety | Flotation Coats/Pants Quick disconnect strap design](https://cdn.shopify.com/s/files/1/0703/9831/2605/files/70615XL.jpg?v=1740537653)
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Quick disconnect strap design
Capacity Straight: 63 l/min - 1000 GPH
Tough Reinforced Plastic Housing
Dual Mounted Grills and Tables
Heating Element w/Gasket - Bolt-On Type - 120v
Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Marine Safety | Flotation Coats/Pants Quick disconnect strap designSeries 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
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