It adopts high strength chromium-molybdenum steel, which has been quenched and hardened, and has high hardnessApplication: 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 hubsTwo-in-one tool, used with 22mm open-end wrench or adjustable wrench, clockwise tighten, counterclockwise looseAfter CNC turning and polishing, it is round and smooth, without hurting the hub or handCompact size and easy for use, great bike removal toolColour: silverMaterial: steelSize: 35x275x275mmPackage Contents:1 * Rear hub removal toolOnly the above package content, other products are not includedNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thingThe measurement allowed error is +/- 1-3cm