The product is a set of 4 black Mercedes-Benz center caps designed for G63, G550, and G Wagon AMG wheels. Made of aluminum and steel with a rust preventative matte finish, these wheel center caps are easy to install on the rear, left, front, and right sides of the vehicle. Each cap features the Mercedes-Benz emblem and has an outside diameter of 163.5 mm. The manufacturer part number is 00040043009283, and the part number is A0004003400.