With a 19 1/2" wide contoured cushion and a pneumatic seat that easily raises or lowers from 18 1/4" to 22 1/4", this throne provides hours of comfort for wheel cleaning, waxing the side of your car, bleeding brakes, and a multitude of other tasks. Four big 4" casters ensure you can rollover pebbles, extension cords, and other garage obstacles… two of the casters are lockable to provide greater stability. The creeper's four-sector lower tray holds tools, parts, and fasteners. A crowning achievement in any garage, test drive a King's Pneumatic Creeper II today and you'll have a project partner for years to come.