MAGBIT 626.KIT1 MAG626 Tungsten Carbide Tipped Hole Cutter Kit, 3-Piece 3-pc kit Contains 7/8-Inch, 1-1/8-Inch, 1-3/8-Inch, spare pilot bit, ejector spring and a hex wrench Cutters in kit provide conduit entry for 1/2-Inch, 3/4-Inch and 1-Inch Over 300 holes in stainless steel plate Cuts sheet metal, stainless steel, iron , cast iron, copper, abrasive materials, such as high density resin and metal plate.