Leviton Lamp Holder, 2-Circuit, Series: Electrolier, 250 W Lamp, 250 V, Incandescent Lamp, Medium Base, 3-Terminal Screw Terminal, 1/8 in IPS Tapped Bushing With Set Screw Mounting, Phenolic Body, Aluminum Shell, Thermoplastic Knob, Brass, Polished Gilt, 1.38 in Overall Diameter, 2.56 in Overall Depth, UL E3810, CSA LR-1863, Turn Knob Access. .
Medium Base Complete, Aluminum Shell Incandescent Lampholder, Removeable Turn Knob, 2-Circuit, 1/8 IPS Tapped Bushing w/Set Screw, For controling two sockets - Brass