High speed, heat resistant Carbide Steel teeth welded to a durable alloy backing and cap Exceptionally strong, safe, and shatter resistant.Includes:(9) Holesaws: 3/4 in, 7/8 in, 1 1/8 in, 1 3/8 in, 1 1/2 in, 1 3/4 in, 2 in, 2 1/4 in, 2 1/2 inA1E Extended Length ArborA2E Extended Length Quick Hitch ArborA014CE Extra Length HSS Pilot DrillA12 Arbor Adapter
