Ronstan Low Friction Ring - 21mm Hole [RF8090-21] Communication | Accessories It has a built-in fuse

It has a built-in fuse holder and an internally lighted rocker switch with 3 positions (automatic

Box Dimensions: 4"H x 12"W x 16"L WT: 7

spiral or figure-eight maneuvers around the specified target at a user selected distance

and for other utility applications

Ronstan Low Friction Ring - 21mm Hole [RF8090-21] Communication | Accessories It has a built-in fuseLow 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 &