Mechanic Seat Creeper Seat Style Creeper Seat Heavy-Duty Adjustable Maximum Load Capacity 480 lb Seat Height 27 in Frame Material Steel Caster Wheel Diameter 3 in Caster Material Plastic Dimensions 19 1/8 in x 13 3/8 in x 19 1/8 in Frame Gauge 18 ga Height 17 to 22 in Height Range 22 in to 27 in Number of Wheels 4 Overall Height 19 1/8 in Overall Length 13 3/8 in Overall Width 19 1/8 in