Aluminum alloy; Bar hangers and parts and fittings therefor made of metal for lighting fixtures; Door knobs of common metal; Furniture casters of metal; Furniture fittings of metal; Furniture fittings of metal, namely, drawer slides; Hardware, namely, metal brackets for general use; Metal clamps; Metal clothes hooks; Metal dowels; Metal hardware, namely, general use wall and ceiling mounts for audio, video or computer equipment; Metal profiles made of steel, iron, nickel, titanium and other m...