Irwin 9 PC Electrician's Bi-Metal Hole Saw Set - (PV3073003)

4/6 Variable pitch teeth for reduced noise and improved performance. Super hard steel RC 65-66 for increased life. Bi-metal construction for toughness and long life. Clearly printed hole saw sizes for quick retrieval and added productivity. Electrician's 9 PC Hole Saw Kit: 7/8", 1-1/8", 1-3/8", 1-3/4", 2", 2-1/2", 1/2" Hex, 3/8" Hex, Pilot drill.