E27 Base Porcelain Double Lamp Socket with 1/8ips Threaded Cap. CE Approved
TORCHSTAR 3-in-1 Light Bulb Socket Adapter, Adjustable E26/E27 Lamp Holder Switch Splitter, Standard Base for landscape accent lighting, exhibitions lighting, artwork lighting - Walmart.com
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