The universal shanks fit any quick change system, including Festool's Centrotec. Made to a very high standard, these brad point twist drills give exceptional clean cuts time after time. For strength, they are ground from a single piece. For a clean, fast cut, the centre point has two cutting spurs that scribe a very clean entrance hole. The specially ground flute with twin spiral lands quickly clears waste. This keeps the drill bit straight and true, for a fast cut. DIN 3126.E6.3 form hardened 1/4" quick-change shank. Perfect for use in cordless drills, Made in Austria.