B22 to GU10 Lamp Bulb Base Socket Converter Extender Adapter Screw Bayonet Bulb

• Type: B22 to GU10 Light Lamp Bulbs Adapter Converter. • 1 Piece B22 to Gu10 Lamp socket converter. • Converts a Bayonet B22 Socket to a GU 10 Small Screw Fitting for LED, lamp, and halogen. Easy to use, no need tools to install, just screwing into the existing socket, looks like a part of the socket.

eBay