Suitable for all power tool brands,10 extra-hard screwdriver bits for use with the most commonly used screws with Phillips, Pozidriv, Torx and longitudinal slot heads,4 sharp wood drill bits diameter 4-8mm with centring tip and shoulder cutter for precise, tear-free hole drilling,11 metal drill bits diameter 1.5-6.5mm with titanium nitride coating for faster drilling and long service life (not suitable for use in aluminium),4 robust carbide-tipped masonry drill bits diameter 4-7mm that impress with their long service life, fast stock removal, low heat development and precision.