The interior of the fitting is made of porcelain.
| 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) |
| Diameter of opening (cm): | on top, internal screw thread: 1.0 cm (0.39 inch) M10x1 |
| Fitting: | E27, large fitting |
Metal E27 lamp socket (big bulb holder) with brass colour finish.
The fititng has a screw thread on the outside, is sometimes also called external thread.
On top of the fitting there is a piece of internal screw thread of 1.0 cm (0.39 inch) M10 x 1 fine thread.
