COMMERCIAL GRADE STEEL CONSTRUCTION - 12 gauge steel construction with textured black powder coating. Lasts longer than plastic/aluminum tool boxes in extreme heat and freezing temperatures. QUICK ACCESS OPEN DESIGN - No locking, easy grab storage - ideal for contractors who need quick access to tools or tailgate parties frequently requiring cooler/equipment retrieval (add your own padlock if needed) Ease of Use Equipped with a sturdy steel pneumatic that allows the lid to open 110 degrees smoothly while providing a cushion for secure closure, effectively preventing any injury caused by sudden closure. VERSATILE USE - This tool box can be mounted on a trailer hitch rack, luggage rack, on the tongue of a trailer, or on the back of a camper for extra storage. Waterproof design: protects from rain, dust and debris to keep your tools clean, dry and protected in any environment.