Excellent cutting effect without burrs and edges, you can use it to cut a straight line, a curved line, an arc line or many other irregular lines and shapes Maximum Cutting Capacities: Iron Sheet: 1.8mm, Stainless Steel: 1.2mm, Copper/Aluminum Plate: 2mm, Plastic/Fiberboard: 2mm Ergonomic handle design for comfortable using experience, 360 adjustable with 1500~3000rpm cutting speed Double head design allows you to continue cutting with the other cutting head when one head is blunt Suitable for car repair and maintenance and sheet metal production Product Description Note: Please pay attention to the maximum cutting thickness of different sheet metal. Instructions: 1. The cutting edge should be oiled frequently, especially when using it to cut aluminum sheets. 2. Turn on the electric drill first, then cut; and after cutting, first move the nibbler away from the sheet and then close the electric drill. 3. While cutting, keep the cutter bar vertical to the sheet metal surface, in case of cutting the cutting edge. Specifications: -Minimum Cutting Radius: 12mm -Maximum Cutting Thickness: Iron Sheet: 1.8mm Stainless Steel Sheet: 1.2mm Aluminum Sheet, Copper: 2mm -Plastic/Fiberboard: 2mm Package Contents: 1 x Nibbler Bit