E26/E27 to E26/E27 Lamp Bulb Socket Extender Adapter
E26 E27 lamp base, The wire about 30cm or 80cm 2 size, bakelite lamp holder black color, E26 E27 bulb socket DIY|Lamp Bases| - AliExpress
Longdex E26 to E27 Light Socket Extender 2PCS 66mm E26 to E27 Lamp Bulb Extension Screw Base Converter Adapter - - Amazon.com
E26 E27 Female Socket with Wires - Sockets - LEDLight
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
Can I Use an E27 Bulb in an E26 Socket? - LampHQ
TORCHSTAR 3-in-1 Light Socket Splitter, E26 E27 Adapter Converter Standard LED Bulbs Holder, 360 Degrees Adjustable 180 Degree Bendable, Max Watt 180W, for Photography, Art Galleries Lighting - Walmart.com