Carry power tools, hand tools, gear and other medium-to-large items in this heavy-duty Fatmax structural foam water-resistant tool box. Structural foam consists of thermoplastic resin and flake mica that increases structural durability. The 28 in tool box also features a soft-grip handle for comfortable carrying and a patented watertight seal to protect your equipment.Water seal makes tool box water-resistantPortable half tray allows room for storage of larger itemsV-groove with ruler on top of lid holds materials such as lumber and pipes in place for cutting