BOSCH GDE 12 Professional Integrated Dust Extractor 1600A02BW0 Maximum drilling depth 100 mm Weight 1.1 kg HEPA filter for optimized dust collection, removes 99.97% of dust particles larger than 0.3 micrometers Function turns on when drilling and shuts off two seconds after releasing the drill trigger Coupled with bit target to guide the right application spot Available at best price & wholeseller For more enquiry call us on 7058431662