With the 25-piece Hikoki 780467 hsp hss-g din 338 metal drill bit set, you drill cleanly and rapidly through metal, alloyed, and unalloyed steel. The ground hss-g steel ensures fast chip clearance, accurate hole sizing, and a long tool life. Featuring diameters from 1 mm to 13 mm in 0.5 mm increments, you always have the right size ready for your project. Thanks to their standard cylindrical shanks, these drill bits fit seamlessly into any standard drill chuck on corded drills and cordless drill drivers. The sturdy indexed cassette keeps all 25 bits neatly organized and protected, whether in the workshop or on-site.