Harper Trucks 850 lb Capacity Pro-Max Aluminum Convertible Hand Truck and Dolly with 10" Flat-Free Solid Rubber Wheels Manufactured in USA; Crafted from aircraft grade extruded aluminum - 30% lighter than steel 600 lb vertical capacity and 850 lb platform capacity Heavy-duty flat-free 10" solid rubber wheels and 5" premium swivel casters 50" Height, 22" Width 14" x 7" Heavy gauge base plate and wheel fenders to protect the load from the wheels