It is crafted from high-strength chromium-molybdenum steel, which has undergone quenching and hardening processes, resulting in high hardness. Application: One end is designed for the installation and removal of a compatible planetary ratchet hub with various wheel sets; the opposite end is utilized for the installation and removal of the ratchet wheel for a certain brand hub, suitable for a specific upgraded ratchet. This tool does not fit older hubs. This two-in-one tool works with a 22mm open-end wrench or adjustable wrench, turning clockwise to tighten and counterclockwise to loosen. After CNC turning and polishing, it features a round and smooth design, ensuring it does not damage the hub or your hands. Its compact size makes it user-friendly, making it an excellent tool for bike maintenance. Colour: silver Material: steel Size: 35x27.5x27.5mm Package Contents: 1 * Rear hub removal tool Only the contents listed above are included; other products are not part of the package. Note: Lighting during photography and varying displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement tolerance allowed is +/- 1-3cm.