Hole Cutter Kit, Primary Material Application Metal, Materials Aluminum, Copper, Stainless Steel, Steel, Arbor Design Built-In, Tooth Material Carbide Tipped, Teeth per Inch -, Number of Teeth (Hole Cutters Only) 5/6/8, Max. Cutting Depth 1/8 in, Impact Rated No, Hole Cutter Sizes (Hole Cutters) 7/8 in, 1 1/8 in, 1 3/8 in, Saw Size Range 7/8 in to 1 3/8 in, Number of Hole Cutters 3, Shank Size 3/8 in Hex, Pilot Drill Size 1/8 in dia x 5/32 in L, Number of Pieces 4