The box includes eleven sets of PCD adapters of every size, which fit bolt patterns ranging from 98 to 130. In addition, there are five sets of bolts and nuts in five different sizes and 16 hub rings in various sizes to ensure a smooth ride for the vehicle upon installation. The box also contains a torx key and mounting tool for easy installation. The hardware box is designed to keep all the parts organized so that the three parts required for a vehicle installation are easy to locate and can be used for hundreds of installations on all makes and models.