ELECTRICIAN TYPE; BI-METAL MATERIAL; 17 PIECE(S); (12) BIT, (2) ARBOR, (3) PILOT DRILL CONTENT; 3/4 INCH, 7/8 INCH, 1-1/8 INCH, 1-3/8 INCH, 1-3/4 INCH, 2 INCH, 2-1/2 INCH, 2-11/16 INCH, 3 INCH, 3-5/8 INCH, 4-1/8 INCH, 4-3/4 INCH HOLE SAW SIZE