Description
Series 15 Ball Bearing Utility Block – Single Block, Loop Head
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
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
Explore more from our collection.
![Ronstan Series 15 Ball Bearing Utility Block - Single Block, Loop Head [Rf15101] 1](https://performancetruck.shop/wp-content/uploads/2026/05/ronstan-series-15-ball-bearing-utility-block-single-block-loop-head-rf15101-1.webp)
![Lewmar 50Mm Synchro Block - Single [29925001Bk] 1](https://performancetruck.shop/wp-content/uploads/2026/05/lewmar-50mm-synchro-block-single-29925001bk-1.webp)
![Ronstan Series 25 Ball Bearing Orbit Block - Lashing [Rf28109] 1](https://performancetruck.shop/wp-content/uploads/2026/05/ronstan-series-25-ball-bearing-orbit-block-lashing-rf28109-1.webp)
![Barton Size 3 45Mm Plain Bearing Pulley Block Double Swivel Becket [N03231] 1](https://performancetruck.shop/wp-content/uploads/2026/05/barton-size-3-45mm-plain-bearing-pulley-block-double-swivel-becket-n03231-1.webp)
Reviews
There are no reviews yet.