Made of aluminum alloy and stainless steel, has high strength and good corrosion For the demolition and installation of threaded / press-in shafts The surface is polished and smooth, smooth and burr-free, durable Suitable for disassembly of hole diameter 24-30mm Can remove almost all the common hollow threaded shafts, suitable for bb86, bb91, bb92, bb71, bb30, bb3024, pf30, bb386 and so on Package Includes: 1 Piece Bicycle Center Shaft Removal Tool (Others are not included) Note: Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item. Thanks!