The DEWALT ToughSystem allows any professional to build the storage option that fits their needs. Technicians, electricians and contractors can all use different combinations, eliminating the need for multiple storage boxes spread throughout the jobsite or workshop. This system offers contractors a means of organizing, sorting and transporting their tools and materials from one jobsite to the next. The ToughSystem Extra Large Case (DWST08204) is the ideal tool storage unit with a weight capacity of up to 110 lbs, a durable and thick structural foam box wall in addition to the integrated water seal and rust resistant latches. As a part of the ToughSystem family, it can be attached to the carrier via central locking mechanism or stacked with other ToughSystem units via the side latches.