Amazon.com : E26/E27 Light Bulb Socket Extender Adapter, E26/E27 To E26/E27 Flexible Extension, All-Directional Light Adjustable Converter For A19 Led Lamp,Recessed Spotlight Etc. (4-Pack) : Tools & Home Improvement
TORCHSTAR E27 to E27 Extender Adapter, E27 to E27 Edison Screw Converter Light Bulb Socket Lamp Holder, Fits LED/CFL Light Bulbs, Heat-resistant, Anti-burning, No Fire Hazard, Pack of 2 - Walmart.com
ALUCSET 3 Pack Medium Screw Base to Medium Base Light Bulb Socket Porcelain Extender, E26 E27 to E26 E27 Lamp Bulb Socket Extension Adapter, (Set of 3, Porcelain E26 Extender): Amazon.com: Tools
Green Creative E26 Lamp Extender E26 EXTENDER - Bees Lighting