Features: Double-ended cutting heads for switching. The cutter head can be positioned 360 degrees in any direction. With minimum cutting radius 12mm. Works with 8mm electric or pneumatic drill(not included) that works bwteen 1500-3000rpm. Allowable cutting thickness of the sheet: ordinary iron plate: 1.8mm, stainless steel plate: 12mm, copper and aluminum plate: 2mm, plastic plywood: 2mm. Specifications: Color: Red / Silver (Optional) Material: Steel Allowable Cutting Thickness: Ordinary Iron Sheet: 1.8mm Stainless Steel Sheet: 1.2mm Copper/Aluminum Sheet: 2mm Plastic Plywood: 2mm Minimum Cutting Radius: 12mm Package Weight: 465g / 16.40oz Item Size: 180 * 76 * 50mm / 7.09 * 2.99 * 1.97in Package Size: 24 * 14 * 5cm / 9.45 * 5.51 * 1.97in Packing List: 1 * Cutter