This Ironton Pneumatic Shop Stool rolls, swivels and adjusts in height to provide excellent comfort and versatility for any job. A built-in tool tray keeps tools and parts close at hand. Wheel Type Caster, Caster Type Swivel, Caster Size in. 2.5, Caster Material Plastic, Wheel Size in. 2.5, Capacity lbs. 300, Material Steel, Adjustable Yes, Height Range in. 15-19 1/2, Dimensions W x H in. 15 1/4 x 19 5/8. Foam-padded seat Easy one-handed height adjustment Five nonmarring swivel casters for maneuverability Handy tool tray keeps tools and parts close at hand Adjusts in height from 15in. to 19.5in.