No job is too Tuff. The solid, all-welded steel frame with large platform. 4" casters (two stationary and two swivel) provides easy maneuverability on any surface. 3/4" wrap-around vinyl bumper protects doors and furniture from damage. Folding handle for easy storage. Strong, chip-resistant light Gray powder coat finish with Black vinyl trim. Model 4072 small platform 400lbs. capacity. Model 4063 large platform 500lbs. capacity.