SHEET METAL NIBBLER Metal Cutter Drill Attachment Sheet Metal NIBBLER CUTTER For main metal sheet cutting: Iron Plate: 1.8 mm max; Stainless Steel Plate: 1.0 mm max 360 changeable direction at operation To be fitted with any electric drill or power drill with 3000RPM. Over All Dimension: 7" x 2" x 3-1/4"