Leviton L20-10083-PG Turn Knob Lamp Socket, Polished Brass Leviton L20-10083-PG Turn Knob Lamp Socket, Polished Brass Features: Removable turn knob Electrolier single circuit 1/8" IPS tapped bushing with set screw Metal shell, medium base Polished Brass 250 watt 250 volt Carded