![Ronstan Low Friction Ring - 21mm Hole [RF8090-21] Boat Outfitting | Display Mounts F to 176 deg](https://cdn.shopify.com/s/files/1/0721/9652/2136/files/55374XL.jpg?v=1759341604)
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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
F to 176 deg
Adjustment Cam Bar Inches: 3/4 - 2-3/8"
Easy-to-read large digits
With a push-to-test battery meter and unmatched corrosion protection
Ronstan Low Friction Ring - 21mm Hole [RF8090-21] Boat Outfitting | Display Mounts F to 176 degLow Friction Ring 21mm Hole Low Friction rings can be used as a lightweight alternative to a block in some applications. They are best suited for systems requiring relatively small line deflection angles, or for high static loads. The design achieves a nicely rounded internal profile for smooth control line trim under load, and a deep external groove to retain the rope securely within the large shoulders when spliced into a loop. Features: Compact &