Lamp Bases E14 Small Screw Plastic Shell Socket Base Light Bulb Lamp Holder Converter White 250V 2A - (Color: White; Base Type: E14) - - Amazon.com
E14 to E12 Adapter Converter Lamp Adapter European Base (E14) to Candelabra Screw (E12) Socket Reducer European Base to Candelabra Screw Light Socket Reducer (6, Silver, Gold) - - Amazon.com
E27, ES or E14, SES Ceramic Screw Lamp Socket, High Temp Light Bulb Base Holder | eBay
E14 light bulb Bakelite fitting
10Pcs E14 Bulb Socket 56x28mm Screw Thread 40mm Retro LED Lamp Holder White 743151485509 | eBay
E14 Bulb Holder SES Edison Screw Lamp Base Socket Light White with Shade Anneau | eBay
Gu10 E27 E14 B22 Lamp Light Fitting Holder Bulb Extender Led Lot Socket Converter Bulb Adapter Screw Sockets Round Base Plastic - Lamp Bases - AliExpress
E14 Bulb Filament LED lamp 2W (smalle fitting) | Kleine fitting | YellowBee