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 dwst08330-1 The NEW stackable Dewalt TOUGHSYSTEM 2.