YiLighting - (G9 to E26/E27), G9 Plug-in Base to E26/27 Edition Screw Base Socket Converter For Halogen/LED/CFL Light Bulbs (3 Pack) - - Amazon.com
E27 Male To G9 Female Converter Adapter Ceramic - Converters - LEDLight
Universal adapter G9 socket to E27 socket
G9 To E27 Lamp Holder Converter Base Socket Bulb Lamp Holder Adapter For Led Lamp Durable Fireproof Material Dropshipping - Lamp Holder Converters - AliExpress