Hole Saw Kit, Primary Material Application Wood, Materials Cut Aluminum, Fiberglass, Plastic, Steel, Tin, Wood, Arbor Design Arbor Not Included, Tooth Material Bi-Metal, Teeth per Inch 4/6, Max. Cutting Depth 1 5/8 in, Impact Rated Not Impact Rated, Number of Hole Saws 19, Saw Size Range 3/4 in to 4 3/4 in