The Milwaukee M12 HAMMERVAC Universal Dust Extractor Kit is the industry's only onboard universal dust extractor solution for eliminating dust when drilling with any SDS Plus rotary hammer. The universal side handle allows users to operate it with any SDS Plus hammer in the industry: corded, cordless, Milwaukee Brand, or other. The AUTOPULSE filter cleaning mechanism meets OSHA Table 1 Compliance by cleaning the filter automatically after use. This cordless dust extractor features an adjustable depth stop that allows users to set the desired hole depths and the 2 included accessory nozzles allow for drilling up to 8 in. D and up to 1-1/4 in. Dia. When the extractor's translucent dust box is full, it can be emptied without exposure by hooking it up to a large dust extractor to vacuum out the dust. This M12 dust extractor has an Auto On/Off Mode to save users time and battery life by automatically activating suction when drilling. The Milwaukee M12 HAMMERVAC runs off any Milwaukee M12 REDLITHIUM Battery to be a fully self-powered unit for maximum portability. This kit includes (1) Small Diameter Nozzle, (1) Large Diameter Nozzle, (2) M12 CP2.0 Batteries, (1) M12 Charger and (1) Contractor Bag.