This product is made of .060 inch aluminium. Full-size, cross bed truck tool box with a diamond plated finish. Fits wider bed trucks. Bright or black finish with full lid. Tradesman 72 inch bright aluminium cross bed tool box is designed to allow storage under the box. This tool box is made from sturdy aluminium which is long lasting and comes with a diamond plated finish. It features a deeper design which provides an increased visibility. This tool box consists of push buttons which facilitates easy access.