These ingenious plates reinforce those parts of a Mini 4WD machine which come under strain during a race, such as bumper and roller stays. They are made from 1.5mm thick carbon fiber plate, which is more resistant to bending and warping than FRP counterparts. ★The carbon fiber pattern will add a cool look to any Mini 4WD! ★Screws for attachment are included. ★Features printed Tamiya logo and wording. Compatible Chassis MA, AR, Super-II, Super XX ★Use with separately sold rollers ★some bodies may require modification