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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
E26/E27 to E26/E27 Lamp Bulb Socket Extender Adapter
E27 thermoplastic threaded lamp holder for String Lights
Mobestech 10 Pcs LED Light Bulb Holder E27 Screw in Light Socket Light Holder Portable Lamp Holde rwith Hook - Amazon.com
Zevnico E26 E27 Light Sockets, 8 Packs Edison Period Retro Style Pendant Lamp Holder, Replacement DIY Pendant E26 Medium Base Screw Light Holder, Maximum Wattage 100W, Vintage Black Light Bulb Socket -