The OEMTOOLS Heavy Duty Mechanics Creeper Seat, No. 24986, is designed for the professional, with extra-large 4” rubber casters, a heavy duty steel base, and injection molded seating. The steel 12” by 22” wheelbase outfitted with 4” rubber casters easily roll over cracks, air hoses, and extension cords, reducing the chances of tipping or abrupt stops. The injection molded seat has a 300 lb load capacity, allowing storage for tools. Equipped with clip-in removable trays, users can store parts and tools under the seat for easy transport to the job.