Set contains: 11 metal drill bits Ø 2-8 mm with titanium nitride coating. Up to 40% faster drilling progress than with comparable drill bits without titanium nitride coating. Up to 6-times longer service life when used with proper cooling.|11 masonry drill bits Ø 3-10 mm with carbide tip suitable for hammer drilling in masonry, limestone, natural stone and cast stone.|8 wood drill bits Ø 3-10 mm with centering tip for precise centering. For hardwood, softwood and plastic.|49 screwdriver bits with Phillips, Pozidriv, Torx, hexagon-head and longitudinal slot screw heads in all standard sizes, as well as 8 Nutsetter for all screw applications.|1 manual screwdriver with ratchet function for screw fittings and 1 magnetic universal holder for fast bit changes and a reliable screw hold in the bit.