The mould can be used for both heavy vehicles and light vehicles, which reduces the initial cost on the company, and it uses half sockets on both sides for perfect fixing, and most of all it is compatible for heavy and light vehicles.In addition, the production of the mould involves the ductile casting and turning precision processing of the female and male sockets, so that it combines perfectly for better construction, and it is beautiful and is now widely used in major contruction companies