Navigate the toughext jobsites with the 8 in. wheels of the DS450 Tough System 2.0 Rolling Toolbox. Its patented auto-connect side latches allow one-hand operation. Features: A high performance seal in the lid ensures they are dust tight and water jet resistant (IP65) to withstand the most severe weather. New Auto Stacking Latches: Intuitive, easy to use and time saving latches for connecting modules together. New Easy close Metal Wire front latches: Providing easy one handed operation New Half Module Compatibility: Allowing half width modules to be connected to the box New Wider and Stronger Handles: Better ergonomics and Stronger New Dewalt Tracker Ready: Internal fixing point allows DEWALT tracker to be installed and box tracked via DEWALT tool connect New Metal Reinforced Padlock Eye: Providing superior security to the contents