The DEWALT DWST83294-1 ToughSystem 2.0 DS300 - Mid Box 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 EASYCLOSE 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 & 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