"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. Capacity lbs. 300, Adjustable Yes, Material Steel, Caster Type Swivel, Wheel Size in. 2.5, Wheel Type Caster, Caster Material Plastic, Caster Size in. 2.5, 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."