It adopts high strength chromium-molybdenum steel, which has been quenched and hardened, and has high hardness Application: One end is suitable for installation and removal of DT Swiss planetary ratchet hub compatible with 240S 240 340 350 440 540 and other planetary ratchet finished wheel sets; the other end is used for installation and removal of DT hub EXP ratchet wheel, suitable for DT new EXP special upgrade 54T ratchet DT240/180 hub, Not applicable to older hubs Two-in-one tool, used with 22mm open-end wrench or adjustable wrench, clockwise tighten, counterclockwise loose After CNC turning and polishing, it is round and smooth, without hurting the hub or hand Compact size and easy for use, great bike removal tool Colour: silverMaterial: steelSize: 35x27 5x27 5mmPackage Contents:1 * Rear hub removal toolOnly the above package content, other products are not included Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm