Feature:1. Suitable for maintenance of bicycle oil disc brake system, olive head and five‑wire body installation.2. The static pressure is adopted, the installation is simple and convenient, and it will not damage the accessories or the brake oil pipe. After the installation is in place, it fits tightly and is not easy to leaking. It can be switched at will to press in the oil needle or five‑wire body.3. The tool has a built‑in blade, which can easily cut the brake hose discs slightly deformed and cause the disc to be rubbed.4. Three different depths of notches can be used according to the situation.5. The disc correction wrench is used to fine‑tune the brake discs to different degrees, the discs restor to level and prevent the discs from rubbing during riding.Spec:Condition: 100% brand newItem type: Brake Oil Disc Maintenance Tool SetMaterial: Aluminum alloy + stainless steelColor: As picture shownWeight: Approx. 239g Brake oil disc size: Approx. 9.5cm/3.7inHandle size: Approx. 19cm/7.5inApplication: Suitable for maintenance of bicycle oil disc brake systemPackage List:1 x Brake oil disc1 x Handle toolNote:Manual measurement, please allow error 1‑2mm.