6 Pack G4 GX5.3 Lamp Holder Rectangular Porcelain Socket for MR16 MR11 LED CFL Halogen Bulbs with 6" Leads - Amazon.com
Pack of 20,G5.3 / GU5.3 / MR16 / G4 / MR11 Round Ceramic LED Halogen Lamp Light Bulb Socket Holder Base Wire Connector Adapter MR16 (20 Pack) - Amazon.com
Quluxe G4 LED Bulb Socket Halogen Base Ceremic Lamp Holder Socket, Miniature Bi-Pin Base Socket, Halogen Incandescent Led Socket Ceramic Body Lamp Holder (Pack of 10) - Amazon.com