Touch Control Dimmer,White Amertac-Westek model 6603BC Screw In Touch Lamp Dimmers Converts Any Metal Lamp To 3 Way Touch Dimming Screws In Like A Light Bulb Touch Any Metal Part Of Lamp For 3 Levels Of Brightness 150W Maximum, Eliminates Need For Expensive 3 Way Bulbs, Use With Incandescent Bulbs Only