The interior of the fitting is made of porcelain.
|Material:||metal, gold coloured|
|Height of fitting (cm):||5.8 (2.3 inch)|
|Outer Diameter (cm):||2.8 (1.1 inch)|
|Fitting:||small socket E14|
Metal E14 lamp socket, with a smooth outside.
The lamp holder is "brass plated", that is, the metal has a gold/brass colored coating.
At the top of the fitting is a small piece of internal M10x1 screw thread, see the photos.
You can, for example, screw in a piece of threaded end or a strain relief.
E14 is a small fitting (lamp socket).