Bulldog, SDS-Plus, Mobile Dust Extractor, Tool Only, No Battery Or Charger Included, Mobile Dust Extractor Design Built To Deliver Maximum Mobility Used With Bosch Cordless D-Handle, HEPA Filter So Users Can Move Toward OSHA Silica Dust Regulation Compliance, Aluminum Guide Rail Provides Smooth Retraction Of Dust Eye During Drilling Application, Dust Container Provides Capacity For Up To 20 Holes Using 1/2" Diameter Bit Drilling 2" Deep Into Concrete, Dust Control Reduces Harmful Airborne Silica Dust & Reduces Labor Require For Dust Clean Up, Convenience Features Include An On/Off Button & 5 LED Battery Indicator, 180 Degree Side Handle Provides Variety Of Grip Positions & Is Required To Mount Dust Extractor To In-Line 1", Includes: Dust Container, HEPA Filter, Auxiliary Handle, 5/8" Dust Eye, 1" Dust Eye & 4" Extension.