Product Description Sprocket mounting and dismounting made easy: the FR-5.2G Cassette Lockring Tool by ParkTool The FR-5.2G hardened steel gear rim tool with solid 1" base for puller lever or vice. The FR-5.2G from Park Tool ensures easy removal and installation of the sprocket. Features:drive size: 1" (25.4 mm)cassette puller with safety pinalso for Shimano disc brake circlips12 flat head screwdrivers, 23.5 mmCompatibility:ShimanoSRAM (including XD/XX1)SunRaceSunTourChris KingShimano disc brake rotor lockringsManufacturer Number:FR-5.2G Contents:1 x Manufacturer: Park Tool Company 1185 Eagle Lake Rd Shoreview MN 55126 USA info@parktool.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com