Bathtub grab bars of metal; Containers of metal for compressed gas or liquid air; Door handles of metal; Door knobs of common metal; Gate stops of metal; Latch bars of metal; Lock installation kit consisting of metal lock, screws, hinges, and a screwdriver; Locks of metal, other than electric; Metal door hardware, namely, keys and key cylinders; Metal hardware, namely, double-end swivels; Metal locks; Metal locks and keys therefor; Metal screws; Tombac; Wire of common metal