Description Truck side tool box material is aluminum alloy. It uses a powder black coating material with strong corrosion resistance. The door features a over-hanging lip which resists water from getting inside. Fold up door provides full access. Built-in lock ensures all items are kept safe and secure. This aluminum underbody tool box is perfect for storing your tools in your vehicle or at home. Never been tried or installedDiamond Plate Pattern Strengthens the Aluminum for Maximum DurabilityBox Conveniently Mounts in Vehicles Truck Bed for Space Saving StorageOver-Hanging Lip Resists Water from Getting Inside, .