Bolts of metal; Common metal pulls; Cotter pins of metal; Door bolts of metal; Door knobs of common metal; Door knockers of metal; Door stops of metal; Fittings of metal for furniture; Hinges of metal; Lock cylinders of metal; Metal cabinet door catches; Metal couplings for use with hydraulic and pneumatic systems; Metal flanges; Metal latch bars; Metal latches; Metal locks; Metal padlocks; Nuts of metal; Rivets of metal; Screws of metal