Features:4pcs in one toolset, convenient & practical. The socket fits all Shiman.o cassettes but is NOT for screw-on freewheels. Can also be used to tighten on screw-on freewheels. With the chain whip, all you need is an adjustable spanner or a 24mm socket. Designed to be used in conjunction with a cassette lockring tool to remove cassettes from hubs. Package Included:1 x Bike Removal Tool Kit Set