Hole Saw Kit, Primary Material Application Metal, Materials Metal, Plastics, Sheet Metal, Wood, Arbor Design Not Included, Tooth Material Bi-Metal, Teeth per Inch 4/6, Max. Cutting Depth 1 1/2 in, Impact Rated No, Number of Hole Saws 5, Saw Size Range 7/8 in to 1 1/2 in, Hole Saw Sizes (Hole Saws) 7/8 in, 1 in, 1 1/8 in, 1 1/4 in, 1 1/2 in, Thread Size 1/2 In.-20, Shank Size 7/16 in Hex, Pilot Drill Size 1/4 in dia x 4 in L, Number of Pieces 7