MAXIMUM STORAGE CAPACITY: Our Brute Contractor TopSider Tool Box is crafted with extra deep & tall storage spaces, with bottom drawers & organizers for the optimum range of storage possibilities. SECURE & REINFORCED: Crafted with secure stainless folding locking T-handles and a reinforced top shelf to carry the load. ALUMINUM TREAD: Made of 0.063 inch thick aluminum diamond tread with 0.080 inch thick aluminum reinforcement throughout the tool box. WEATHER RESISTANT: Designed with specially-crafted rain gutters to work to keep your tools dry in all weather conditions. PRODUCT SPECIFICATIONS: The Brute Contractor TopSider Tool Box is meant for use in flat/stake beds.