Hole Saw Kit Primary Material Application Wood Materials Cut Aluminum Fiberglass Plastic Steel Tin Wood Arbor Design Not Included Tooth Material Bi-Metal Teeth per Inch Variable Pitch Max Cutting Depth 1 5/8 in Impact Rated No Number of Hole Saws 5 Saw Size Range 3/4 in to 2 1/4 in Hole Saw Sizes (Hole Saws) 3/4 in 1 in 1 1/2 in 2 in 2 1/4 in Shank Size 1/2 in Hex 7/16 in Hex Pilot Drill Size 1/4 in dia Number of Pieces 10