The Tuff Truck Convertible Hand Truck is a black dolly that converts from a two-wheeled hand truck to four-wheeled platform truck. The hand truck features a sliding handle system that shifts between upright and platform use. Moved material rests on the 14 x inch toe plate, mobile on 8 inch rubber wheels with ball bearings. The hand cart is rated up to 400 . (2 wheels), 500 . (4 wheels).