HURI Fuel Valve Petcock for Honda CB750 CB550 16950-393-015 16950-410-015 Replacement parts,non original Replace Honda 16950-393-015, 16950-410-015, 16950-388-015, 16950-388-005 Nut threading is 16 x 1.5mm,22mm hex nut,6mm ribbed fuel outlet Package include 1pc petcock + 1pc HURI pocket tape Note:you could apply for a full refund if you didn't receive HURI branded pocket tape.