The ToughSystem� 2.0 Toolbox offers one-hand operation with its patented auto-connect side latches and 2-piece metal front latches. This toolbox offers 20% larger* storage capacity when used with DWST08300 and DWST08450 as part of a tower. The ToughSystem� 2.0 Toolbox is built for real jobsite conditions with high-impact protection**. 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 backwards compatible with any ToughSystem� product.