Leviton 7070-PG Aluminum Shell Incandescent Lampholder， Removeable Turn Knob， 2-Circuit， 1/8 Ips Tapped Bushing With Set Screw， For Controling Two Sockets， Brass<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Medium Base Complete</li><li>Aluminum Shell Incandescent Lampholder</li><li>Removeable Turn Knob</li><li>Two circuit system</li><li>1/8 IPS Tapped Bushing w/Set Screw</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41v6D17jcvL.jpg" noproxy>