★Rotary hammer and Drilling dust-extraction attachment-optimized for drilling diameters from 3/8 In. to 1-3/8 In.; accommodates up to 2-3/4 In. by removing brush ring
★Vacuum Dust Extractor is compatible with standard hose size from 26mm to 39mm(1-1/8In.1-1/4In.1-1/2In.1-3/8In.),accommodates 64mm(2-1/2In.),by removing rubber band
★Rubber seal maintains suction to wall, and ensures dust containment
★Dual air chambers provide for both dust collection during use and provide suction to the wall
★Hose receiver swivels to allow for repositioning of the hose as needed