Introducing the 'Bosch 19 Piece HSS-R Drill Bit Set'- your comprehensive toolset for an unmatched drilling experience. Expertly designed for flawless precision, this set is ideal for drilling various materials including iron, steel, non-ferrous metals, grey cast iron, and even hard plastics. With bit diameters ranging in 0.5 mm increments, from 1-10 mm, you are set to tackle virtually any task effortlessly. Its universal design boasts of low breakage risk underlining its durability and guaranteeing long-lasting performance. Trust Bosch for precision, power, and unrivalled effectiveness.