Features： 1、[FOR DIFFERENT SHAPES] Double headed metal cutter kit, which can be used for different shape cutting projects such as round or straight cutting. 2、[360° POSITIONING] The cutting head can be positioned 360°, without any burrs on the cutting edge, and the material will not be deformed. 3、[ROTATION SPEED RANGE] The tool is powered by electric drill or air drill, with a suitable speed of 1500‑3000RPM, which is efficient and durable. 4、[WIDE APPLICATIONS] This kit is ideal for auto and home repairs such as metal roof cutting, HVAC vent ducts and other sheet metal cutting. 5、[CUTTING MATERIALS] Equipped with drilling tools, suitable for cutting iron, stainless steel, copper and aluminum sheets and plastic materials. Specification： Item Type: Double Headed Cutter Material: Alloy Model: YT-160AS Minimum Cutting Diameter: Approx. 24mm / 0.9in Features: Double cutter head, 360° adjustable Adaptation Speed: 1500-3000RPM Step Drill Diameter: Approx. 4mm / 0.16in, 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.39in, 12mm / 0.47in Cutter Shank Diameter: 1/4in Maximum Cutting Thickness: Iron and Steel Plate: 1.8mm Stainless Steel Plate: 1.2mm Copper and Aluminum Plate: 2mm Plastic and Fiberglass: 2mm Package List： 1 x Sheet Metal Cutter 1 x Handle 1 x Cutter Round Rod 1 x Cutter Round Rod Holder 1 x Wrench 1 x Step Drill 3 x Cutting Auxiliary Accessories 1 x Toolbox 1 x User Manual