Features For DWST83529-1 Auto stacking latches - intuitive, easy to se and time saving latches for connecting modules together Name panel insert - allowing drawers to be labelled up by end users for easy identification of contents Half module compatibility- allowing half width modules to be connected to the drawer unit 10 kg weight capacity per drawer Side handles - allowing easy transportation of the unit and also compatibility to the DeWalt ToughSystem trolley / workshop racking Ball bearing drawer sliders - for smooth operation and durability TOUGHSYSTEM 2.0 cases are 100% cross-compatible with the original TOUGHSYSTEM cases, so you can mix and match any of your old cases with any of the newer range. Features For DWST83295-1 Detachable Handle - For More Convenient Storage Of The Box & Allows For Use In Pick Up Trucks A high performance seal in the lid ensures they are dust tight and water jet resistant (IP65) to withstand the most severe weather Easy close Metal Wire Front Latches