This product is made of .060 inch aluminium. Full-size cross bed truck tool box with a diamond plated finish. Bright or black finish with full lid. Tradesman 70 inch black aluminium cross bed tool box is designed to provide storage under the tool box. This tool box is crafted from aluminium which ensures durability. It is custom designed to fit all vehicles. This tool box is given a black aluminium diamond plated finish to give an exquisite and unique look. It is also tarnish and corrosion resistant.