![Ronstan Series 15 Ball Bearing Utility Block - Single Block, Loop Head [RF15101] Marine Hardware | Anchor Rollers Product Number 3971](https://cdn.shopify.com/s/files/1/0621/9680/9967/products/71020XL.jpg?v=1642580890)
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Product Number 3971
Wi-Fi Entertainment System
from rope to chain
Conserve valuable fuel and anticipate problems with an at-a-glance view of fuel consumption and engine performance
is water proof
Ronstan Series 15 Ball Bearing Utility Block - Single Block, Loop Head [RF15101] Marine Hardware | Anchor Rollers Product Number 3971Series 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