6 Steel; Door springs of metal, non-electric; Fittings of metal for beds; Fittings of metal for furniture; Fittings of metal for windows; Metal fasteners, namely, nails; Metal gas dampers for Support buffer in automotive and aviation manufacturing; Metal gas springs for Support buffer in automotive and aviation manufacturing; Metal pipes and metal fittings therefor; Metal poles; Metal trestles for use as table supports; Metal window fittings; Spring-loaded door closers of metal; Stainless steels; Steel alloys