E-Simpo G24d to E27 Adapter, 2P Light Socket Adapter, 21.8mm,G24 to E26/E27, GX24d to E27 Lamp Base Converter, Rohs.Need Bypass The Ballast! (60-Pack) - - Amazon.com
E26 to E26 Socket Extender,E26/E27 to E26/E27 Lamp Holder Adapter
E-Simpo 4pcs GX23 to E26/E27 Bulb Socket Adapter GX23 Lamp Bulb Base Adapter,CFL GX23 to Screw Edison E26 E27 Lamp Holder Converter(Pack of 4) - - Amazon.com
(4PACK) E26/e27 Socket Adapter Converts Outlet to Lamp Socket, 660 Watt, 125 Volt,AC Plug to E26 Two Outlet Light Socket Adapter,White
G24 to E27 Base Bulb Lamp Adapter Converter
Mr16 Lamp Socket Adapter Mr16 To E27 Lamp Base Mr16 Turn To E27 Lamp Holder Turn To Mr16 Lamp Head Converter G5.3 To E27 - Lamp Holder Converters - AliExpress
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 6 - Walmart.com