E-Simpo® 6pcs 2G7 4-Pin H Lamp Fluorescent Light Holder 2G7 Base Horiztonal Single Head Tombstone Lamp Socket for LED Fluorescent Tube(2G7) - - Amazon.com
Littlite 18X-R4LED - LED Gooseneck Lamp 18XR-4-LED B&H Photo
Osram Dulux D/E 13w / 830 Energy Saving 4-PIN lamp - Warm White Colour - G24q-1 Cap - - Amazon.com