Metal fasteners, namely, screws; Metal tubes for industrial use; Metal hexagon head bolts; Metal expanding sleeves for affixing screws; Fittings of metal for furniture; Valves of metal, other than parts of machines; Metal components for metal protective and security window shutters, namely, slats, shutterboxes, side frames, end caps, crank handles, pull straps, side tracks, ball bearings and installation hardware, namely, rollers, rails, cables, carriers, pins, locks, clips, brackets and scre...