Made of 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, which is suitable for DT new EXP special upgrade 54T ratchet DT240/180 hub, not suitable for old hub. 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 .5mm Package Contents: 1 * Rear Hub Removal Tool only the above package contents, excluding other products. Note: Different lighting and 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.