It has a length or depth of 75 mm.
Those smaller threads on the tip are 12 mm across.
That smooth shank is 12.5 mm wide.
This bigger threading which secures the glide wheel is 15 mm.
The head is 19.5 mm wide with a drive style of an Allen 8 mm screwdriver or bit.
It is made of some kind of metal and the color is Steel and Black.
This is for one Bolt that is a genuine OEM part for the Stressless furniture line by Ekornes.

It is pre-owned, has rust, needs touch up paint, to be oiled, the fit of the Allen head screw is a little loose, so you will have to be careful when loosening or tightening.

Please let us know if you have any questions.

This is for the era of chair that has a 13 mm hole in the tensioner. IF YOURS IS A NEWER CHAIR WITH A SMALLER HOLE THIS WONT FIT.

If you want multiple parts we can combine shipping.