Hole Cutter Kit, Primary Material Application Metal, Materials Stainless Steel, Arbor Design Built-In, Tooth Material Carbide Tipped, Number of Teeth (Hole Cutters Only) 4/4/6/6, 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, 2 in, Saw Size Range 7/8 in to 2 in, Number of Hole Cutters 4, Thread Size 3/8 in, Pilot Drill Size 1/4 in dia x 2 1/2 in L, Number of Pieces 8