Ronstan Low Friction Ring - 21mm Hole [RF8090-21] Fumes Complies with USCG 183

Complies with USCG 183

Moves through heavy vegetation

Open Area to Pipe Size Ratio: 25

RC12 SERIES)

Reduced weight aloft - complete system weighs only 3

Ronstan Low Friction Ring - 21mm Hole [RF8090-21] Fumes Complies with USCG 183Low 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 &