Use the DWV9109 Universal Mini Stepped Adapter Dust Extractor Nozzle with the 20V MAX* Brushless Cordless Dust Extractor (DWH161B or DWH161D1) to keep your space tidy as you work. The Stepped Adapter quickly connects to tool dust ports outside the Cordless Dust Extractor's existing hose diameter. The flexible accessory works with a wide range of tools including sanders, oscillating tools, routers, saws, and rotary hammers with dust port connections that are 1 in. to 1-1/2 in. in diameter.