• Material- Made from High Speed Steel 6542 for longer life
• Size- 6-Piece Combination Drill (6-32", 8-32", 10-32", 10-24", 12-24", 1/4-20") + ¼” quick change adapter
• Design- Convenient ¼” hex shank features a tapered end to prevent over-tapping and includes a quick-change adapter for easy size change
• Application- Complete hole drilling, tapping, deburring and countersinking in one operation for a quick and complete job on copper, brass, aluminum, sheet metal and plastic
• Package- Molded plastic case is lightweight and durable for easy storage and is portable for all job environments B072JT9978