The fortified construction and soft comfort of the 6400-10 Series Heavy-Duty Padded Stools are ideal for hands-on educational settings like art rooms, science labs, home economics or shop classrooms. Height-adjustable legs extend from 18.5"-26.5" in 1" increments. This reliable stool features a sturdy frame of 18-gauge steel tubing securely welded to a 14"-diameter seat pan. Riveted through the steel pan is 0.5"-thick black vinyl cushioning that provides years of dependable use. The footrest ring is securely bonded to each leg with four spotwell contact points.