This corner Notcher has a 6mm or 4-gauge mild steel capacity, so it can make quick work of most any job. The DLN-6200 sheet metal corner Notcher machine has blades that are fixed at 90°, ensuring a perfect notch every time. A 25.5” x 25.5” oversized working table includes table guides, for even more accuracy. The DLN-6200 sheet metal Notcher machine has 8.5” long blades that can be resharpened many times for even more life The blades have a negative rake to pull the material to the stops during the cut, for the best accuracy available. The DLN-6200 sheet metal Notcher comes with a powerful 4HP 220V 3 phase motor and operator-controlled foot pedal that is capable of 15 strokes per minute.