Hole Saw Kit Primary Material Application Metal Materials Cut Wood Metal Plastics General Purpose Arbor Design Included Tooth Material Carbide Tipped Teeth per Inch 3 Max Cutting Depth 1 7/8 in Impact Rated No Number of Hole Saws 6 Saw Size Range 7/8 in to 2 1/2 in Hole Saw Sizes (Hole Saws) 7/8 in 1 1/8 in 1 3/8 in 1 3/4 in 2 in 2 1/2 in Thread Size 1/2 In.-20 5/8 In.-18 Shank Size 1/4 in Round Pilot Drill Size 1/4 dia x 3 1/4 in L Number of Pieces 8