Geeek Fitting E27 to E14 Socket adapter - Geeektech.com
from E27 to E14 Lamp Holder Converter E14 Lamp Socket Adapter E27 Lamp Base Fireproof Material Screw Mouth Lamp Socket Changer - AliExpress
Light bulb adaptor online purchase | zangra
HZZKZZ E27 to E14 Lamp Holder Converter E14 Lamp Socket Adapter E27 Lamp Base Fireproof Material Screw Mouth Lamp Socket Changer - AliExpress
E14 to E27 base adapter
HiqLED UL-listed E26/E27 to E14 Adapter, Medium Screw (E26/E27 Edison Screw) to Candelabra Screw (E14) Base Socket Reducer Adapter Converter, Heat-resistant, Anti-burning, No Fire Hazard (3-Pack) - Amazon.com
Adapter Socket E27 -> E14 with flange Girard Sudron