All-in-one wonderful trail tool : If youre only going to take one multi-tool on a ride take this one. Innovative three piece design of multi-tool, ensuring that all the tools are easy to use. The plastic casing is tough and transfers torque to the tools without flexing. If you cant fix it with this then youll probably be walking home! All 21 tools are polished stainless steel or nickel plated steel; this tool is built to last. Phillips and flat head screwdriver. 2, 2. 5, 3, 4, 5, 6, 8 mm Hex keys. 8,9,and 10 mm spanners. Serrated knife. T25 Star shaped wrench, used on Disc brakes. Chainring nut tool. Bottle opener. 2 tyre levers. 3 spoke nipple tools. Comes in a nylon carrying pouch.