Annular Cutter Kit, Number of Pieces 6, Dia 9/16, 5/8, 11/16, 13/16, 15/16, 1 1/16 In, Cutting Depth 1 In, Shank Dia 3/4 In, For Cutting Steel Plate Stainless Steel, Cast Iron, Includes 9/16, 5/8, 11/16, 13/16, 15/16, 11/16 Inch Bits, 1 Pilot Bit, Case