E27 To E14 To E27 Bulb Converter Bulb Extender Screw Sockets Lot Adapter Base Light Fitting Round Plastic Socket Holder Led Lamp - Lamp Bases - AliExpress
Fabric Flex Cable Light Fitting Pendant With E27 Bakelite Lamp - Etsy
ALZO E27 Socket Extender - ALZO Digital
ES Light Bulb Socket E27 to E40 LED Base Screw Lamp Bulb Adapter Converter White - - Amazon.com
Close shot of glass incandescent light bulb cap with E27 / Edison Screw 27mm thread fitting. For illuminating, UK lighting industry, lighting abstract Stock Photo - Alamy