Klein Tools 31873 Master Electricians Hole Cutter Kit 8-Piece

It features carbide tip for long life and integrated flange to prevent the operator from drilling beyond the sheet metal. Cutter has split point pilot drill bit that prevents bit walking. It is ideal for conduit pipe from 1/2 – 2 Inch. Kit contains 7/8 Inch 1-1/8 Inch 1-3/8 Inch 1-3/4 Inch 2 Inch 2-1/2 Inch and two extra pilot bits.