6200 Series Heavy-Duty Steel Stool is an affordable and practical seating option for art, science, industrial arts classrooms and more. The 18-gauge tubular steel frame stands up to wear and tear and features a welded foot ring that adds to the comfort and support. Plastic glides keep your stool level and won't mar floors. The 14" diameter seat has a Masonite board that won't chip or crack. This National Public Seating 6200 Series Heavy-Duty Steel Stool has a fixed height of 18" and comes backed by a 10–year warranty.