Hole Cutter Kit Primary Material Application Metal Materials Cut Metal Plastics Composites Wood Arbor Design Not Included Tooth Material High Speed Steel Number of Teeth (Hole Cutters Only) 7/8/10/14/15/17 Max Cutting Depth 1/4 in Impact Rated No Hole Cutter Sizes (Hole Cutters) 7/8 in 1 1/8 in 1 3/8 in 1 3/4 in 2 in 2 1/2 in Saw Size Range 7/8 in to 2 1/2 in Number of Hole Cutters 6 Number of Pieces 11