Drafting Chair Mid-Back Mesh Drafting Stool Medical with Fabric Seat/Arms (Red) Professional grade | Color: Black | Comfortable padded seat and back Molded 3" foam seat | Adjustable lumbar support | Double-paddle control mechanism Height, angle and depth adjustable back rest | Locking back-angle adjustment | Pneumatic seat-height adjustment Height-adjustable steel foot ring | Heavy-duty black nylon base | Heavy-duty dual casters Seat Height: 24.5'' - 29" | Seat Size: 18" x 18" | Back Size: 17 1/2" x 16"