![Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300] Trailering | Jacks & Dollies Improved valve handle system](https://cdn.shopify.com/s/files/1/0621/9680/9967/files/70618XL.jpg?v=1747053549)
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Improved valve handle system
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Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300] Trailering | Jacks & Dollies Improved valve handle systemSeries 40 Ball Bearing Block Triple Swivel Head Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Features a swivel shackle head for full 360 rotation 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: Mainsheet Halyard Vang Spinnaker control lines
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