Alloys of common metal; Brass, unwrought or semi-wrought; Bronze; Collars of metal for fastening pipes; Common metals and their alloys including stainless steel; Copper alloys; Drawn and polished metal bars; Fittings of metal for furniture; Metal clamp-type fasteners for holding in place curtains, tarps, canvas, cloth and film covering material; Metal components for metal protective and security window shutters, namely, slats, shutterboxes, side frames, end caps, crank handles, pull straps, s...