![Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300] Hunting & Fishing | Fishing Accessories perfect for scuba diving where](https://cdn.shopify.com/s/files/1/0588/7918/0915/files/70618XL.jpg?v=1745385270)
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perfect for scuba diving where a beam to pierce through murky water or for signaling is required
The Size 4 Barton range of blocks has a 58mm (2 5/16″) sheave
The V3100 is contained in a compact IP67 water-resistant housing and includes a built-in SD card slot for standalone AIS data logging
UPC: 093344005152
Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300] Hunting & Fishing | Fishing Accessories perfect for scuba diving whereSeries 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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