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 ; planetary ratchet hub compatible with 240S 240 340 350 440 540 and other planetary ratchet finished wheel sets; ; 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. Note: Light shooting and different displamay cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Color: silver Size: 35*27.5*27.5mm Delivery Quantity: 1 Piece