The Aidelife Metal Shears Attachment is able to cut up to 18GA/1.2mm material including but not limited to: Sheet metal, corrugated sheet metal, duct, asphalt shingles, steel mesh, vinyl siding, wire, plastics, cardboard and rubber. Connects via standard 1/4-inch hex shank. This attachment works with most 18V-20V Cordless drill,impact driver and drills。 The blade can be removed and sharpened