#3 Unibit Cobalt Step Drill VGP10233CB

#3 Unibit Cobalt Step Drill Features and Benefits: 6 times longer life vs. the competition M35 grade Cobalt High Speed Steel Radial concave flute Speedpoint tip Laser marked sizes Hole sizes: 1/4″ – 3/4″, 9 steps; 1/16″ increments.