This 21-Piece Titanium Drill Bit Set, with common sizes from 1/16 to 3/8-Inch, is perfect for drilling metal, wood, and plastic. The Titanium Nitride Coating ensures faster drilling and longer bit life, while the 135-Degree split point prevents slipping. With an impact-rated 1/4-Inch hex shank, it's compatible with drills and impact drivers. Organized storage is easy with stand-up bit holders, and a MODbox® compatible and stackable design allows for seamless tool integration.