Features: Double-ended cutting heads for switching. The cutting head can be positioned 360 degrees in any direction. With a minimum cutting radius of 12 mm. Works with an 8 mm electric or pneumatic drill (not included) that operates between 1,500 and 3,000 rpm. Allowable cutting thickness of sheet metal: ordinary iron plate: 1.8mm, stainless steel plate: 12 mm, copper and aluminum plate: 2 mm, plastic plywood: 2 mm. Features: Color: red/silver (optional) Material: Steel permissible cutting thickness?: Ordinary iron sheet?: 1.8mm Stainless steel sheet: 1.2?mm Copper/aluminum foil: 2 mm Plastic plywood: 2 mm Minimum cutting radius: 12 mm 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