Micro Screw (MES / E10)
The Micro Screw cap is a relatively uncommon lamp connection. This cap is found on small bulbs that are often used for decorative purposes such as Christmas lights and smaller chandeliers.
The Micro screw cap can also be found in night lights and torches.
E10 (Edison, 10mm diameter), MES (Miniature/Micro Edison Screw).
Candle, Indicator Bulb, Torch Bulb.