The Precision Lighting 80-2211 is a stamped cap light socket that uses a 3-way bulb to produce three levels of light in a low-medium-high configuration. With 2 terminals and 2 circuits, this 3-way light socket features an antique brass finish, brass turn knob, and medium (E26) base. Threaded to fit 1/8 IPS pipe, can withstand a maximum of 250 watts at 250 volts. So, whether your building or repairing lamps, this antique brass, 3-way socket set will provide practical lighting with the option to alter the appearance! Screw set included for easy mounting.