The Aluminum Tool Box 18 By 24 By 36 with a Stainless Steel Door is a durable and practical storage solution for your tools and equipment. The stainless steel drop door features a lock and hinge for added security. Available in smooth aluminum or diamond plated aluminum, this tool box is designed to fit most 18 inch x 18 inch x 36 inch underbody box makes and models. With continual-seam weldments that virtually eliminate moisture trapping, cracking, and fatigue, this tool box is built to last and protect your valuable tools.