Description Contains the most commonly used sizes for plumbers, electricians and general applications 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 Contents: 5/8";, 3/4";, 7/8";, 1";, 1-1/8";, 1-1/4";, 1-3/8"quot;, 1-1/2";, 1-3/4"; 2";, 2-1/2"3";, 1/2"; Hex, 1/2"; Hex, Pilot Drill (3)