6 Bolt snaps of metal; Cargo slings of metal; Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of aluminium or its alloys; Common metals and their alloys including stainless steel; Metal brads; Metal catches for car towing; Metal marine hardware, namely, thimbles; Metal self-aligning demountable snap fasteners consisting of press fasteners and press studs for use in attaching panels, hatches, floors and furniture in boats, motor vehicles, trains, aircraft and buildings; Metal shackles and hooks for lifting and rigging; Metal slings for loading