The Dewalt DWST83411-1 Mobile TSTAK box bundle is part of the Tstak 2.0 range of upgraded TSTAK boxes and replaces the DWST1-81049 Now with an IP54 rated water seal, providing water and dust protection to the tools and fixings inside the box. The front latches have been upgraded to a more robust and heavy duty design. The side latches now use utilise a metal pin, rather than an all plastic design for a longer life and longer durability. The new box also comes ready to install the Dewalt tracker if required with a fixing point built into the box. Key Features 7" durable wheels - Allowing heavy tools to be transported easily across longer distances Telescopic handle - For Easy Transportation Of Heavy Tools. It Also Conveniently Slides Back Into The Toolbox Body For .