Chrome e-27 Lamp Socket (or: large fitting), with a smooth exterior. At the top is a round small round opening with M10 (or: 1.0 cm / 0.39 inch) screw thread. The inside (see last photo) is made of porcelain.
Binnenwerk is van porselein
|Material:||metal with chrome finish|
|Height of fitting (cm):||5.8 (2.3 inch)|
|Outer Diameter (cm):||4.0 (1.6 inch)|
|Fitting:||e27 fitting (large size fitting)|