Fifth wheel for head tractor. Size 2" or 3. 5", fabricatid or casting type. Same design as famous brands  Features: 1)Cast Steel and Pressed Plate coupler made to European standards  2) Various steel castings can be supplied, including trailer parts, brackets in axle,semitrailer suspension, air suspension, auto parts, locks of containers, steel, sheaves, industrial parts and other precision steel castings, 3) Materials: all kinds of carbon steel, alloy steel, and manganese steel 4) CNC machining available