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![Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Anchoring & Docking | Anchors Total length with both poles](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/70615XL.jpg?v=1710977519)
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Total length with both poles is 37
Powerful flushing action with advanced design features
ISO 8846 Marine and USCG Regulations for Ignition Protection
and mounts on a 0 to 70 degree transom
Not for use for while trailering boat
Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171] Anchoring & Docking | Anchors Total length with both polesSeries 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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