Convertible Creeper, Creeper Seat Style Convertible Creeper, Duty Rating Heavy-Duty, Maximum Load Capacity 450 lb, Dimensions 26 in x 5 1/4 in, Height Range 5 1/4 in to 18 in, Frame Material Steel, Caster Diameter 3 in, Caster Configuration (6) Swivel, Creeper Material Steel, Headrest Style Padded, Height 4 1/4 in, Includes Caster Assemblies, Overall Height 5 1/4 in, Overall Length 40 in, Overall Width 26 in