Hole Saw Kit Primary Material Application General Purpose Arbor Design Included Tooth Material Bi-Metal Teeth per Inch 3.5 Number of Hole Saws 8 Saw Size Range 3/4 in to 2 1/2 in Hole Saw Sizes (Hole Saws) 3/4 in 7/8 in 1 1/8 in 1 1/2 in 2 in 2 1/8 in 2 1/4 in 2 1/2 in Number of Hole Cutters 0 Pilot Drill Size 1/4 in dia x 3 1/2 in L Number of Pieces 11