Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts. The FR-5G has 12 splines that are approximately 23.4mm across.

Fits Shimano®, SRAM®, SunRace®, SunTour®, Chris King® and other cassette lockrings

Fits the SRAM® XX1® 11-speed cassettes

Also Fits Shimano® disc brake lockrings

Guide pin stabilizes tool