KI all-purpose stools have proven their value in many applications. Moderate pricing and sturdy construction make 800 Series industrial stools an appropriate choice for a wide range of tasks.800 Series industrial stools provide an upholstered 1-1/8" thick seat cushion. Available in three fixed stool heights - 18", 24" and 30" with replaceable polyethylene feet. Additional features include three adjustable heights and steel or upholstered backrests with adjustable height and depth.