B22/E14/E27/E12/E17/GU10 Lamp Base Socket Adapter Converter Holder For LED Light | eBay
Aplstar Polished Metal Desktop Lamp Base Silver Color Solid E26/E27 Edison Screw Light Bulb Holder Base 5.57ft Cord on/Off Switch with Plug - - Amazon.com
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
Thermoplastic E27 lamp holder kit
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E27 Porcelain Lamp Holder Lamp Socket Lamp Base Lampholder Ceramic E26 E27 E39 E40 CE UL Approved - China Lamp Holder, Lamp Socket | Made-in-China.com
Construction E27 Lamp Holder Ceramic Porcelain Lamp 1000W E.g. for Terrariums 4260499690816 | eBay
10x MR16 Lamp Socket to E27 Screw Thread LED Bulb Base Converter Adapter Holder | eBay