Creeper, Creeper Seat Style Creeper, Duty Rating Standard-Duty, Maximum Load Capacity 660 lb, Dimensions 17 in x 4 1/2 in, Height Range 4 1/2 in, Frame Material Steel, Caster Diameter 3 in, Caster Configuration (6) Swivel, Creeper Material Steel, Headrest Style Padded, Height 4 1/2 in, Includes (6) Caster, Overall Height 4 1/2 in, Overall Length 40 in, Overall Width 17 in