The ToughSystem 2.0 Tool Box has patented auto-connect side latches, allowing for 1 hand operation. It also has 2-piece metal wire front latches for added durability when securing tools inside of the box. This tool box offers 20% more tool storage when used with DWST08300 and DWST08450 as part of a tower. It is IP65 rated for dust and water resistance and has a 110 lbs. The tool box contains 2 large organizer cups on the inside with removable dividers for optimal organization. The ToughSystem 2.0 Tool Box is compatible with all ToughSystem products. Easy box attachment with auto-connect side latches. 2-piece metal wire front latches for increased durability. DWST08165, DWST08300 and DWST08450 – IP65 rated for dust and water resistance. 2 large organizer cups with removable dividers. Backwards compatibility with any ToughSystem product. DWST08165 and DWST08300 – 110 lbs. DWST08450 – 250 lbs. Load capacity, removable inner tray.