1、Using high quality materials, the outer side is engraved with swirl lines, which is easy to install and easy to carry. 2、High simulation appearance, more visual effect, very suitable for your car, easy to install. 3、Not easy to rust, effectively reduce the number of replacements, and effectively improve the performance of your car. 4、It is very suitable to replace the original damaged or old one to obtain higher strength. 5、You can update and modify your remote control model car and help improve its authenticity. Item Type: RC Accessories Material: Aluminum Alloy Diameter: Approx. 39mm/1.5in Aperture: Approx. 5mm/0.2in Hex Adapter: Approx.12mm/0.5in Suitable for Axial Rbx10 1/10 Remote Control Car 2 x Brake Disc 2 x Calipers 4 x Screws