Used parts for the Herman Miller Aeron chairs, this listing is for one pair of Smoke grey color spacers for the internal tilt mechanism which controls the forward tilt, height adjustment, and the tilt limiter lock that fit the medium B office chair.

Fits size medium B.
Color of knobs is Smoke which is a light grey.
Genuine OEM parts by Herman Miller for their Aeron.

Pre-owned, has not been cleaned, have nicks, paint specks, discolorations, wear, there are no cracks and it is in working order.

If you want multiple parts we can combine shipping.