Package Included: 1 x Double Wire Cutter 1 x Wrench - Double Head Design - The left and right cutter heads are threaded, and the portable handle can be mounted on either side, with a handle and a cutter. If one side is blunt, you can change the other side. - How to Use - It needs to be installed on the platform for electric or pneumatic drills between 1500-3000 rpm, which is more powerful and easier than ordinary boring tools and saws. - Widely Used - The application of aluminum cutters includes but is not limited to: sheet metal, corrugated materials, pipes, complex profiles, powder coating materials, bakelite, plastic, fiberglass, thin metal plates. Specifications: Product material: plastic Diameter: 17.5cm / 6.88inch Allowable thickness to cut: Stainless steel plate: 1.2mm Common steel plate: 1.8mm Copper, aluminum plate: 2mm Plastic, fiberboard: 2mm Operations: 1.Fix the plate (to be cut) on an operation platform with a minimum distance of 15 between the place and the platform. 2.Fix the tool with an electric drill or power drill by fixing the drill chuck. 3.Operate the tool while the motor is running. 4. Release the cutting bit while the motor is still running. 5.Use special bit cooling oil when operating. 6.See the picture below for more information when the tool is mounted on a drill.