Alvin Pneumatic-Lift Stool
This versatile polyurethane stool is perfect for any home or office work area that needs drafting height seating. Ideal for extended sitting periods it has a swivel feature pneumatic height control and an adjustable height between 18" and 26". The 13" diameter seat is made of super-soft molded foam. Also features a stable 22" diameter five-star base on hooded casters. Puncture resistant easy to clean and maintenance free. Black.