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 toolbox 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. load capacity. The toolbox contains 2 large organizer cups on the inside with removable dividers for optimal organization. The ToughSystem 2.0 Toolbox is compatible with all ToughSystem products. For a limited time get a bonus 22 in. Large Tool Box, 22 in. 2-Drawer Tool Box and 24 in. Mobile Tool Box with purchase.