Designer: Dante Donegani - Giovanni Lauda. Pressed glass diffusers. Forks and joints with 50% fiberglass reinforced, injection-molded nylon. Cast steel grip. Brass turned swivel parts and steel springs. Varnished steel arms. Spun steel base cover, polished and varnished. Varnished wall/ceiling rose with 50% fiberglass reinforced, injection-molded nylon. ON-OFF switch for all models placed on the diffuser.