Bars for metal railings; Chain hoist used for lifting and rigging; Door fittings of metal; Hardware, namely, metal brackets for general use; Mechanical fastening elements of metal; Metal braces for handling loads; 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 screws...