The ToughSystem 2.0 Extra Large Toolbox has patented auto-connect side latches, allowing for one-hand operation. It also has 2-piece metal front latches for added durability when securing tools inside the box. It is IP65 rated for dust and water resistance and has a 110 lb. load capacity. The toolbox has a removable inner tray for optimal organization. The ToughSystem 2.0 Extra Large Toolbox is backwards compatible with any ToughSystem tool boxes and drawers (excludes Toughsystem 1.0 radio)!