Set of quality drill bits with a hexagonal shank. The drill bits are made of titanium-coated high-speed steel. This allows them to remain as sharp as before for a long time. The seller assures that the service life of these drills is six times longer than conventional drills. Moreover, the titanium coating ensures easier drilling with less effort. Due to the hexagonal shank, these drills can be used in different types of screwdrivers. The drill bits are suitable for wood, metal, plastic and other materials.