This pneumatic mechanic roller seat offers a convenient chocie when you need to move around while working. With 300 lbs capacity it is sturdy and stable enough to offer a safe movement. Thick and comfortable padding made of oil-resitant vinyl, wide base, easy to clean, also waterproof. With lever control it offers 15-20 inches height adjustment. Five heavy duty 2-1/2 inch swiveling casters allow you to move at will. Using the convenient tool tray you can storage and change tools within reach.