• 21-Piece set includes quick-connect drill bits and driver bits for hole-making and screwdriving applications
• Titanium-nitride coated drill bits feature an impact-groove connection to conveniently attach to both drills and impact drivers
• Precision-machined tips engineered to securely fit into fasteners, preventing stripped fasteners and bit cam-out
• ProFlex torsion zone reduces stress, extending bit life and improving impact performance
• MODbox compatible storage case connects securely with other Klein Tools MODbox sets to provide on-the-go storage and convenience in carrying multiple sets
• Enhanced magnetic bit holder maximizes magnet contact to securely retain fasteners

Klein Tools 21-Piece drill and driver bit set features impact-groove titanium-nitride drill bits that conveniently attach to both drills and impact drivers. Precision-machined tips ensure secure fastener fit while reducing cam-out. ProFlex torsion zone reduces stress, extending bit life and improving impact performance. The case connects securely with other Klein Tools MODbox sets to provide on-the-go storage and convenience in carrying multiple sets.