Creative Hobbies 5 1/2" Double Ended Halogen Socket with Bracket | Pack of 2 - - Amazon.com
Pack of 10 Multi Base Halogen Mini Bi-Pin w/ 6" Wires Socket up to 75 Watts Ceramic Body with Mica Covers for Light Bulbs with Base GU5.3, G4, MR11, MR16 - - Amazon.com
Amazon.com: APDTY 96922 Headlight Bulb Electrical Socket Wiring Pigtail Connector Fits Standard Halogen 9004 & 9007 Bulbs On Models Listed In The Compatibility Chart (3-Wire; Replaces 88860463) : Automotive
DiCUNO G4, GU5.3 Bi-Pin Ceramic Base Socket, MR16, MR11 Halogen Incandescent LED Bulb Holder Wire Connector (12pcs) - - Amazon.com