Hole Saw Kit, Saw Diameter: 2-1/8 - 3-5/8 inch, Maximum Cutting Depth: 2-7/16 inch, Drill Size: 5/16 inch Pilot, Thread Size: 5/8-18, Number of Pieces: 7, Material: Carbide Tipped Teeth, Includes: (1) 2-1/8 inch Big Hawg with Carbide Teeth, (1) 2-9/16 inch Big Hawg with Carbide Teeth, (1) 3-5/8 inch Big Hawg with Carbide Teeth, (2) 49-56-9300 Big Hawg with Carbide Teeth Pilot Bit, (1) 49-56-9305 Big Hawg with Carbide Teeth Arbor, (1) 48-09-5055 Big Hawg with Carbide Teeth Diamond File, Number of Teeth: 3, Applications: For Wood, Metalworking, Plumbing, Electrical Works