It is made of high-strength chrome-molybdenum steel, which has been quenched and tempered, and has high hardness.Application: One end is suitable for the installation and removal of DT Swiss star ratchet hubs compatible with 240S 240 340 350 440 540 and other star ratchet hub wheelsets; the other end is used for the installation and removal of DT hub EXP ratchet wheels, suitable for DT new EXP special upgrade 54T ratchet DT240/180 hubs, not applicable to older hubs.Two-in-one tool, used with 22mm open-end wrench or adjustable wrench, clockwise tightening, counter-clockwise loosening.After CNC turning and polishing, it is round and smooth, without damaging the hub or hand.Compact size and easy to use, excellent bicycle removal tool.Color: silverMaterial: steelSize: 35x27.5x27.5mmPackage Contents:1 * Rear wheel 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.