The Aluminum Tool Box Step 24 By 20 By 24 Top Step Smooth Lid is a practical and reliable solution for your storage needs. With its smooth aluminum lid, this tool box offers durability and protection for your tools and equipment. It features bulb seals, a slope top, and a stainless steel keyed T-lock for added security. The internal brackets ensure a secure fit, while the continual-seam weldments prevent moisture trapping, cracking, and fatigue. This tool box is versatile, fitting most cab rack makes and models. Choose from aluminum or diamond plate aluminum options.