LH0421 E26/E27 medium base two piece lamp holder/socket with center hole for power cord
Wall lamp holder E27 - Lamp holders - Plugs and multisockets - Lyvia - Arteleta International S.p.A. - Components, materials and electrical items
Amazon.com : Emart Light Bulb Stand, E26 / E27 AC Socket Lamp Holder with Umbrella Holder, Photography Light Bulb Mount for Photo Video Studio - 2 Pack : Electronics