KI's all-purpose stools have proven their value in many applications. Moderate pricing and sturdy construction make 600 Series industrial stools an appropriate choice for a wide range of tasks.600 Series industrial stools offer function, versatility and long-term value. 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. Seat options include steel, upholstered, poly or wood.