ElekTek E27 Batten Base Edison ES Light Lamp Bulb Holder BESA Conduit Vintage UK | eBay
Classic 90° Fermaluce with E27 threaded lamp holder
E27 For Lamp Pendant Fitting in Edison Screw Bulb Holder Retro Socket Lampshade | eBay
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 -
M10 Edison Screw ES E27 Light Bulb Lamp Holder Pendant Socket & Lampshade Collar | eBay
E26/E27 Medium Edison Screw - E39/E40 Mogul Base Light Bulb Socket Lamp Enlarger Converter Adapter (1pcs/Pack) - Amazon.com
Source E27 Light Bulb Base Socket Ceramic Edison Screw Lamp Holder Fitting on m.alibaba.com
10pieces/lot 250V 4A E27 fast wiring plastic lamp holder Edison screw Light Bulb socket Holder for table lamp DIY
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
E-Simpo 2pcs E26 E27 Screw Lamp Socket to Outlet Adapter, Lampholder Outlet Adapter, Edison Screw Light Socket Bulb Holder to US/EU Plug Adapter with Indicator (2-Pack) - Amazon.com
E27 Vintage Silver Metal Lamp Holder for Pendant Lighting – Light with Shade
How to Unlock an Edison E27 Lamp Holder by Gravel Hill Lighting - YouTube