* Socket Tool for HG Standard Cassette and Disc Brake Lockrings* Made from heat-treated tool steel for the ultimate in strength and lasting performance.* Professional quality, precision sized for the perfect fit.* Fits all Shimano, Sram, SunRace, SunTour, Chris King, and other HG standard cassette lockrings and Shimano disc brake lockrings.* Designed to work with Pedro's snap-channel Pro Socket Handle, a 24mm socket or wrench, or in a bench vise.