Barrier rails, posts, pillars, hand rails, foot rails and safety rails, turnstiles (other than automatic), gates, steps (ladders), grilles (being builders hardware), articles included in Class 6 for holding and dispensing paper rolls, clothes hangers, building elements for the construction of screens and of partitions, and builders hardware for architectural purposes, all of common metal; metal shop fittings, fittings for showcases, doors, windows and for furniture, glaziers' fittings, chains, hooks, fastening devices and locks, all included in Class 6; parts and fittings included in Class 6 for all the aforesaid goods; tubes and fittings therefor and articles made therefrom, all included in Class 6.;