Hole Saw Kit, Primary Material Application General Purpose, Materials Brick, Clean Wood, Concrete Block, Fiber Cement, Nail Embedded Wood, Arbor Design Included, Tooth Material Carbide Tipped, Teeth per Inch Gulleted, Number of Teeth (Hole Cutters Only) 3, Max. Cutting Depth 2 7/16 in, Impact Rated No, Number of Hole Saws 7, Saw Size Range 2 1/8 in to 4 5/8 in, Hole Saw Sizes (Hole Saws) 2 1/8 in, 2 1/4 in, 2 9/16 in, 2 3/4 in, 3 5/8 in, 4 in, 4 5/8 in, Thread Size 5/8 In.-18