The Dewalt dwashrir Impact Ready Shears Attachment is able to cut up to 18GA material including but not limited to. Sheet metal, corrugated sheet metal, duct, asphalt shingles, steel mesh, vinyl siding, wire, plastics, cardboard and rubber. This tool features a 360 degree swivel head that allows for maneuverability when cutting. Connects via standard 1/4 inch hex shank. This attachment works with most 18V-20V impact driver and drills, regardless of brand.  New in package.