YiLighting - Ceramic Miniature Bi-Pin MR16 Lamp Base Socket Holder Connector Adapter For MR16, GU5.3, G4, MR11,GY6.35 GZ4 Female Base Light Bulbs(20pcs) - Amazon.com
MR16 MR11 G4 GU5.3 MR11 Ceramic Base Socket Lamp Holder
MR16 Round Lamp Socket with with Male Banana Plug | Step 1 Dezigns
6 Pack G4 GX5.3 Lamp Holder Rectangular Porcelain Socket for MR16 MR11 LED CFL Halogen Bulbs with 6" Leads - Amazon.com
LUXRITE 50-Watt Halogen Equivalent MR16 Dimmable GU10 Base LED Light Bulbs Enclosed Fixture Rated 4000K Cool White (16-Pack) LR21502-16PK - The Home Depot
GE 45638 LED Bulb, Track/Recessed, MR16 Lamp, GU5.3 Lamp Base, Dimmable, Clear, Bright White Light, 3000 K Color Temp