Barrel hoops of metal; Cask hoops of metal; Door frames of metal; Iron strip; Iron wire; Metal hardware, namely, carabiners of metal; Metal hardware, namely, karabiners of metal; Metal hinges; Metal hooks; Metallic materials for railway tracks; Ring-shaped fittings of metal; Steel strip; Steel wire; Steel alloys; Steel, unwrought or semi-wrought; Bands of metal for tying-up purposes; Buckles of common metal; Clips of metal for cables and pipes; Collars of metal for fastening pipes; Ferrules o...