Convertible Creeper Creeper Seat Style Convertible Creeper Duty Rating Heavy-Duty Maximum Load Capacity 450 lb Dimensions 18 in x 7 1/8 in Height Range 7 1/2 to 18 1/2 in Frame Material Steel Caster Diameter 3 in Caster Configuration (6) Swivel Creeper Material Steel Headrest Style Headrest and Body Cushion Height 7 1/8 in Includes Wrench (6) Casters Overall Height 7 1/8 in Overall Length 40 in Overall Width 18 in