Clips of metal for cables and pipes; Clips of metal for tubes; Collars of metal for fastening pipes; Common metals and their alloys including stainless steel; Fittings of metal for flexible pipes; Fittings of metal for pipes; Grease nipples; Mechanical fastening elements of metal; Metal fasteners, namely, bolts, nails, rivets, screws; Metal hose clamps; Metal pipe collars; Metal pipe fittings; Metal seals for brass fittings pipe connections; Metal threaded fasteners; Stainless steels