External thread 1.3 cm (0.51 inch) M13 x 1
Hollow tube, so you can pull the lamp wire through.
| Material: | metal |
| Colour: | silver |
| Length (cm): | 2.0 (0.79 inch) |
| Outer Diameter (cm): | 1.3 , M13 (0.51 inch) |
| Wire: | M13x1 (fine thread) |
M13x1 threaded end / pipe, metal, hollow. Length: 2.0 cm / 0.79 inch
