For use with the dwv012 and dwv015 dust extractors, the storage accessory rack (DWV016TSRK) is available to InterLock® with TSTAK® and TOUGHSYSTEM® storage solutions to provide the user with storage options, mobility and durability in real/rough jobsite conditions. The storage rack screws onto the top of your dust extractor to allow for vertical stacking of TSTAK® and TOUGHSYSTEM® storage boxes. Using the accessory rack allows you to move both your tools & your dust extractor to & from location