Made of high-strength chrome-molybdenum steel, tempered and tempered, with high hardness. PURPOSE: One end is suitable for installation and removal of DT Swiss planetary ratchet hub, compatible with 240S 240 340 350 440 540 and other finished planetary ratchet wheel assemblies; the other end is used for DT EXP ratchet hub installation and removal, fits DT new EXP special upgrade 54T Ratchet DT240/180 hubs, does not fit old hubs. Two-in-one tool, used with a 22mm open-end wrench or adjustable wrench, tighten clockwise and loosen counterclockwise. After CNC turning and polishing, it is round and smooth without hurting hubs or hands. Compact in size and easy to use, it is a bicycle disassembly tool. Color: silver Material: Steel Dimensions: 35 x 27.5 x 27.5mm Package Contents: 1 * Rear Hub Removal Tool. Only the above package contents, excluding other products. Note: Different lights and screens may cause the color of the item in the picture to be slightly different from the actual item. The measurement tolerance is +/- 1-3cm. Note: The data is all measured manually, please allow 1-3cm error, due to the light and display difference, it there will be a certain color difference, the actual object received shall prevail.