DeWalt Metal Shear/Cutter Drill Attachment
This shear cuts up to 18 gauge materials, including sheet metal and vinyl siding. It features a 360-degree swivel head for improved cutting maneuverability. Its attachment has a 1/4-inch hex shank and is compatible with most 18V-20V impact drivers and drills. The price drops from $71.99 to just $54.87 with free shipping.