The product is a full set of 4 Mercedes-AMG GLA 53 wheels with a 21-inch rim diameter and aluminum construction. They come in a sleek grey and clear coated aluminum color with a bolt pattern of 5x112 and a hub bore of 66.6mm. The wheels are balanced and ready to be mounted. Additionally, the set includes oem wheel center caps and has a manufacturer warranty of 1 year. These rims are 10 inches wide on the front axel and 11 rear.