![Ronstan Series 15 Ball Bearing Utility Block - Exit Block [RF15711]](http://www.shopbulluna.com/cdn/shop/products/71031XL.jpg?v=1635971363&width=1080)
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Series 15 Ball Bearing Utility Block - Exit Block
Features:
- Smallest and lightest ball bearing block available
- Precision molded acetal sheave running on stainless steel ball bearings provide high performance & low friction
- Single loop head blocks include an O-ring to separate running line from head lashing or fixing
- Features a flush rivet to minimize cutout and facilitate installation.
Featuring a formed single piece housing for maximum strength and minimal rope wear.
Applications:
- Dinghy control lines
- Vangs, cunninghams and tweakers
- Shock cord tensioning systems
Materials:
- BB sheaves: UV stabilized acetal
- Ball bearings: Stainless steel
- Cheeks: Grade 316 stainless steel