How big is the cheetah black diamond tire screw?

17mm， 19mm，2 1mm，22mm。 There are four types of tire screws: 17mm, 19mm, 2 1mm and 22mm. The following is the information about tire screws: Introduction: Tire screws refer to the screws installed on the hub to connect the wheels, brake discs (brake drums) and the hub. The specifications of automobile tire screws depend on the model. The wheels are fixed with screws. Different cars have different numbers of screws for fixing wheels, and the specifications of screws are also different.