Mounting: this belt change tool fits 2017 2018 2019 2020 X3 RC RR, fits 72"/64" wheel base width It is made of CNC machining aluminum alloy, with holding comfort, rust and durability. Mesh anti-slip design: The surface of the strap change tool is non-slip Installation: Turn the tool in the auxiliary clutch until it is tightened, then press the handle to loosen the strap and you can easily remove the strap. Easy to use: With this tool, you can easily change the X3 strap without any modifications. Fits perfectly with standard OEM clutches, most clutches and aftermarket helix Specification: Size: length 27.7 cm/11 inches, width 7.5 cm/3 inches Accessories outer diameter: 9.5 cm/3.7 inch inner diameter 4.3 cm/1.7 inch The package includes: 1x Belt Change Tool