![Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Boat Outfitting | Radar/TV Mounts USB charging port +5 VDC](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/70615XL.jpg?v=1591347459)
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USB charging port +5 VDC
Built in FM Broadcast band receive
Retractable handle
UC H7 HELIX 7 Unit Cover
Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Boat Outfitting | Radar/TV Mounts USB charging port +5 VDCSeries 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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