[ Door bolts of metal; ] Door closers of metal, non-electric; Door fasteners of metal; [ Door fittings of metal; ] Door handles of metal; Door knobs of common metal; [ Door stops of metal; ] Hinges of metal; [ Latch bars of metal; ] Metal cabinet door catches; [ Metal chain door guards; ] Metal hardware, namely, springs; Metal locks for doors; Metal screws; [ Metal, wash down spray nozzles for commercial and industrial use; Split rings of common metal for keys ]