FINELED MR16 to GU10 Adapter Converters Light Sockets Lamp Holder,MR16/GU5.3 To GU10 Light Bulb Base Socket Lamp Adapter Utilize GU10 Base Bulbs in a MR16 Socket : Amazon.ca: Tools & Home Improvement
Changing a GU 5.3 LED spotlight bulb to GU10 - YouTube