Feature:1. Manufacturing Material: The bicycle flywheel disassembly tool is made of high quality carbon steel material, which is strong and durable, which undoubtedly extends its service life.2. Quenching Process Manufacturing: Quenching process manufacturing, not easy to damage. Can be used for a long time, believe that this is your best choice.3. Bicycle Cassette Removal Tool Size: The inner diameter of the bicycle cassette removal tool is 2cm / 0.8in, suitable for most tool accessories.4. Diverse Features: Small size, easy to carry and store, won't take up a lot of space for you.5. Simple Operation: Easy to use without removing inner circle and lock nut, just tighten flywheel. Simple operation and easy to repair.Specification:Item Type: Bike Crank Wheel Puller Pedal RemoverWeight: Approx.42g / 1.5ozMaterial: Carbon SteelInner Diameter Of The Bicycle Cassette Removal Tool: Approx.2cm / 0.8in Package List:1 x Flywheel Lock Removal Tool