McJ Tools HSSM2 Hole Cutters for Professionals by Professionals (2pack 2")Cut a wide range of materials such as steel, cast iron, sheet metal and copper Work well with abrasive materials like high density resin and metal plates Extremely High Accuracy <0. 1mm Comes in a rugged plastic box with extra pilot bit, set screw and allen wrench By using liquid coolant, it can cut over 100 holes in steel plate (~<1 4" in thickness) Item Number: McJM2HSS 2 0 0 2 Dimensions: 5. 91 x 5. 2 x 3. 15 inches Weight: 1. 92 lb McJ Tools Hole