Hole Saw Kit, Primary Material Application Wood, Materials Aluminum, Fiberglass, Plastic, Steel, Tin, Wood, Arbor Design Not Included, Tooth Material Bi-Metal, Max. Cutting Depth 1 5/8 in, Impact Rated No, Number of Hole Saws 4, Saw Size Range 2 1/2 in to 4 in, Hole Saw Sizes (Hole Saws) 3 in, 3 5/8 in, 4 1/8 in, 4 3/4 in, Shank Size 1/2 in Hex, Number of Pieces 6