Socket Base Plug 5-50pcs Mr16 Mr11 Gu5.3 G4 LED Lamp Holder Bulb Base with Wire | eBay
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.com
MR16 MR11 G4 GU5.3 MR11 Ceramic Base Socket Lamp Holder