External thread 1.0 cm (0.39 inch) M10 x 1
Hollow tube, so you can pull the lamp wire through.
|Outer Diameter (cm):||1.0 , M10 (=0.39 inch)|
|Length (cm):||15.0 (5.91 inch)|
Nickel coloured tube of 15 cm (=5.9 inch) length for use with glass shades of ceiling lighting.
Outside diameter 1.0 cm (=0.39 inch).
The pipe is hollow so that the lamp wire can pass through.