Bosch 9-Piece Impact Tough Titanium Drill Bit Set, TI9IM IMPACT RATED: Featuring the Bosch Impact Tough bit design so the screwdriving bits are impact rated and provide 2X longer bit life than standard impact drill bits ACCURACY: These impact bits feature engineered no-skate tips for more accurate starts VERSATILE: The Bosch TI9IM drill bit set is designed for heavy-gauge, light gauge metal and hardwood applications, and high-carbon steel PRECISION: The impact bits provide effective material removal thanks to the long flute design PROTECTED: With titanium coating shield, The TI9IM drill bit set offers less friction than standard impact bits