Using high-strength chromium-molybdenum steel, quenched and hardened, with high hardness. Purpose: One end is suitable for the installation and removal of DT Swiss planetary ratchet hub, compatible with 240S 240 340 350 440 540 and other finished planetary ratchet wheel sets; the other end is used for the installation and removal of DT hub EXP ratchet, suitable for DT new EXP special upgrade 54T Ratchet DT240/180 hubs, not suitable for old hubs.Two-in-one tool, used with 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 removal tool. Color: Silver Material: Steel Size: 35x27.5x27 .5mmPackage Contents: 1 * Rear Hub Removal Tool Only the above package contents, other products are not included.Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Measurement tolerance is +/- 1-3 cm.