stainless steel hinges for truck box: 1,Meterial:steel/ SS 2,Surface:Zinc/ polished 3,Rod ... Dia:22mm/27mm/34mm 4,Rust resistan stainless steel hinges for truck box :Usage: using for truck and trailer side door and ... body parts, refrigerator lorry body parts,stainless steel hinges, door lock gear ,tool box and paddle lock,cold room parts,container parts ...