Metal E27 lamp socket with brass colour finish. The fititng has a screw thread on the outside (is sometimes also called external thread).
Binnenwerk is van porselein
|Material:||metal with messing finish|
|Colour:||messing - gold colour|
|Height of fitting (cm):||5.8 (2.3 inch)|
|Outer Diameter (cm):||4.0 (1.6 inch)|