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 19" to 27" in 1-inch 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 are 1/2"-thick black vinyl cushioning that will provide years of dependable use. Footrest ring is securely bonded to each leg with four spotwell contact points.