Lamp Holder, White color (Miniature Base, Bulb Socket), Pack of 10 - ScienceKitStore.com
Mini Light Bulb Holder - E10 with wire leads | xUmp
10 Pcs Mini Light Bulb Holder E10 Socket with Wire, Mini Plastic Light Bulb Base Lamp Holder for Student Experiment, Lighting DIY Crafts, Physics, Screw Type Bulb Socket(Black) - Amazon.com
SCREW BASE LAMP SOCKET FOR BULBS
RuiLing 2-Pack E10 Mini Bulb Holder Plastic Light Beads Lamp Bases Screw Type Bulb Socket Black Lamp Holders Student Experiment Lighting DIY Accessories - Amazon.com