DEWALT® tough chest mobile storage introduces steel top rails for top loading. Tool boxes, saw horses, and Other items can be secured to the top of the tough chest mobile storage with bungee cords. It features heavy-duty 8"rubber wheels for maneuverability over the rough jobsite terrain and includes a water seal and durable, corrosion resistant metal latches. Tough chest mobile storage delivers 154 pounds of load capacity and 63 gallon useful volume.