Tool Box Creeper Seat, Creeper Seat Style Toolbox Creeper Seat, Heavy-Duty, Fixed , Maximum Load Capacity 450 lb, Seat Height 16 in, Frame Material Steel, Caster Wheel Diameter 3 in, Caster Material Polyurethane, Dimensions 18 7/8 in x 18 1/4 in x 14 1/8 in, Height 18 1/4 in, Number of Wheels 4, Overall Height 18 7/8 in, Overall Length 18 1/4 in, Overall Width 14 1/8 in