Herman Miller Equa drafting / work stool on castors with swivel, tilt and pneumatic adjustable height. It provides equal ergonomic support and healthy comfort, quick response to your movements with the seat and back flexing separately. The padded seat and back have neutral tan fabric. It is armless, which allows free movement and swiveling at a desk. It was produced by Herman Miller in 1998 and is labeled underneath. Very good vintage condition.
At the widest point, the castors it is 24" wide, 24" deep, the seat is 20" wide, 21" deep. The height adjusts between about 46.5"-51" high at the back, seat height ranges between 28.5"-33".