Fittings of metal for beds; Fittings of metal for compressed air hoses; Fittings of metal for flexible pipes; Fittings of metal for furniture; Fittings of metal for pipes; Fittings of metal for rigid pipes; Fittings of metal for windows; Metal hardware for use in descending ropes, namely, belay devices; Metal hardware, namely, washers; Metal pipes and metal fittings therefor