Hole Saw Kit Primary Material Application Metal Arbor Design Included Tooth Material Bi-Metal Teeth per Inch 4/6 Max Cutting Depth 1 1/2 in Impact Rated No Number of Hole Saws 15 Saw Size Range 3/4 in to 4 1/2 in Hole Saw Sizes (Hole Saws) 3/4 in 7/8 in 1 1/8 in 1 3/8 in 1 1/2 in 1 3/4 in 2 in 2 1/4 in 2 1/2 in 3 in 3 1/4 in 3 5/8 in 3 3/4 in 4 1/4 in 4 1/2 in Thread Size 1/2 In.-20 5/8 In.-18 Shank Size 1/4 in Hex 7/16 in Hex