The FR-5.2H is a reliable, professional option for cassette lockring removal and installation, with a long sturdy handle and a large passthru hole that allows use without removing most quick-release skewer nuts. The FR-5.2 is designed to fit the most common tool fitting found on 7-to-12 speed cassette lockrings, including models made by ShimanoA(R), SRAMA(R), and others. Also fits disc brake lockrings and lockring adapters with 12 internal splines, and top caps of some Rock ShoxA(R) suspension fork models. FR-5.2H FEATURES Fits 12-spline tool fittings with an approximate outer diameter of 23.4 mm including: - Cassette lockrings from ShimanoA(R), SRAMA(R) (including 1x), SunRaceA(R), SunTourA(R), Chris KingA(R) and others - Disc brake lockrings and lockring adapters with 12 internal splines from ShimanoA(R) and other brands - Top cap of some Rock ShoxA(R) suspension fork models including PikeA(R), Lyrik(TM), SIDA(R), Revelation(TM), RebaA(R), and Paragon(TM)