DBTR129 Snap-On Three-Flat Shank Drill Bit Set - Mechanic’s Length - 29 pc29 pc High Speed Mechanics Length 135 Point with Three Flat Shank Drill Bit Set This is a used set in great condition. Includes (29) drill bits (1 16 1 2") in a metal drill index 135 points for easier drill starting without the need for center punching Heavy duty web construction for higher strength and less breakage Improved chip ejection through specially engineered flute design See pictures for details.