Gu5.3 Lamp Holder Socket with 150mm Cable Cord and Terminal Block for MR16 LED Light - China Lamp Holder and Gu5.3
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
Socket GU5.3 (MR16) for Bulb
Leviton Miniature Bi-Pin Base Ceramic Body G4, G6.35, GY6.35, GX5.3 MR16 GZ4 MR11 Halogen Incandescent Lampholder, White 80054 - The Home Depot
Knightsbridge LH04 MR16 Lamp Holder & Bridge with Ceramic Push Fit Connector 5055559102977 | eBay
Spare Lampholder MR16 | Toolstation
GU10/MR16 Lamp Holder Mains Base Connector Downlighter Fitting UK supplier | eBay
Socket Base Plug 5-50pcs Mr16 Mr11 Gu5.3 G4 LED Lamp Holder Bulb Base with Wire | eBay