Buyers Products Gloss Black Diamond Tread Aluminum Topsider Truck Box provides a convenient and secure way to store your tools. The box mounts on your truck bed rails, keeping your tools easy to access and saving valuable storage space in the bed itself. These truck tool boxes are ideal for pick-up trucks, flatbed trucks, and utility bodies. Gas shocks ensure the dual flip-up doors open smoothly and stay open on their own. The external rain gutter with an automotive bulb seal will protect tools and equipment from moisture and grime. The durable and lightweight 0.100 in. thick aluminum box is powder-coated gloss black for superior corrosion resistance and style.