9 Pack E26 E27 Lamp Socket with Shade Ring,Light Bulb Socket Holder Screw in Standard Base Medium Edison Retro Pendant Bulb,Basic Black Replacement Hold Light Cage Cover - 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
Leviton 660-Watt Keyless Twin-Socket Lamp Holder Adapter R52-00128-00W - The Home Depot
E27 thermoplastic threaded lamp holder for String Lights
Leviton 660-Watt Keyless Twin-Socket Lamp Holder Adapter R52-00128-00W - The Home Depot
SHELLTON 3-Pack Plug in Light Socket,E27 Light Bulb Socket Adapter, Lamp Socket Extender Adapter,Extension Lamp Bulb Holder with On/Off Switch US Plug - Walmart.com
E27 Round Plastic Base Screw Light Bulb Lamp Socket Holder White R1D8 | eBay
Amazon.com: Maxxima Keyless Plastic Lamp Holder - One-Piece Medium Base, E26 Socket Outlet Box Mount, 660W, Ceiling Lighting, Compatible with LED and Incandescent Light Bulbs - 2 Pack : Maxxima: Clothing, Shoes
Noref Wall Plug E27 Bulb Lamp Socket Mount Holder Adapter with Switch Control, Lamp Socket, Light Bulb Holder - Walmart.com
2Pc BAY15D 1157 LED Light Bulb Socket Holder with Wire Connector Car Auto Parts, | eBay
E26 E27 Ceramic Light Socket, Helunsi Medium Base Porcelain Lamp Holder, Ceramic Light Bulb Socket with 12" Wire Lead, Medium Base Lampholder for Incandescent Led Light Bulbs Replacement (Pack of 4) -