TORCHSTAR GU10 to G9 Adapter Converter, Convert GU10 Base to G9 Plug-in Base Socket, Fits Halogen/LED/CFL Light Bulbs, Heat-resistant, Hazard-Free, Anti-Burning, Max 250V, 1000W, Pack of 6 - Amazon.com
E11 to GU10 LED Lamp Converter Lamp Adapter Lamp Socket Lamp Holder for GU10 LED Bulbs - China E11-GU10, E11-GU10 LED Lamp Base | Made-in-China.com
Generic E27-G9 LED Light Bulb Base Socket Converter Adapter Holder - Walmart.com
Do G9 to GU10 bulb adaptors work? : r/electricians