Articles of metal hardware, namely, chains of metal, screws of metal, bolts of metal, lock bolts of metal, high security locks, padlocks of metal, door knobs of common metal, escutcheons for protection of keyholes, spring loaded metal door closers, door stoppers, door hinges, hinges for windows, keys for doors and windows, metal numbers and letters for doors, metal door viewers, metal letterboxes for doors, metal window restrictor for limiting the distance by which windows can open, metal hoo...