19 pcs. ø 1.0-10.0 mm 0.5 mm increments in a plastic case, universal twist drill, high elasticity, very well suited for use in hand drills, for processing alloyed and unalloyed steel, little feed pressure required even with larger diameters and maximum toughness with optimal cutting performance, even with smaller diameters low risk of breakage due to high elasticity, due to an optimized drill geometry and the special ALPEN grind, the drilling time is reduced by around a third, longer service life, which is due to the use of high-quality HSS steel and a special heat treatment elevated