2 very cool looking adjustable knobs for the back of the chair. There is an adjustment knob for the seat height also. I don't see any makers mark. The industrial swivel rolling shop chair.Seat can go as low at 17" and as high as 21" chair is 17" wide and 18" deep including the rolling base. Back is 15 above the seat. The back is 31.5" from the ground at the lowest and 35.5" at its highest. This item is in the category "Business & Industrial\Office\Office Furniture\Chairs & Stools". The seller is "jthomas382joshua" and is located in this country: US.
This item can be shipped worldwide.