The convenient choice to move around while working, this Pneumatic Creeper Stool has a 250 lbs. capacity and is sturdy and stable enough to move on smooth surfaces. The stool has a thick and comfortable padding seat covered with an oil-resistant vinyl, which is waterproof and easy to clean. With lever control it offers 17-5/16 to 22-1/16 inches height adjustment. Four heavy-duty 2-1/2 in. swiveling casters allow you to move at will. Using the convenient tool tray, you can store and change tools within reach.