The width at the widest point is 14 mm.
It has a 7.5 mm wide hole that the seat to backrest bolt goes through.
The external dimension of the sleeve is 10 mm that goes into the round hole in the bottom of the backrest.
That depth is 7mm.
It is made of some kind of plastic and the color is Black.
This is for one black plastic shim that fits the Pre-1999 era recliners and is a genuine OEM part for the Stressless furniture line by Ekornes.

This part is pre-owned, was not cleaned, has wear, dents, gouges and is ready to be put to work on your chair.

Please let us know if you have any questions.

If you want multiple parts we can combine shipping.