#9 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: 7/8" and 1-1/8", 2 steps; for 1/2" and 3/4" KO