Bosch Promoline Screwdriver Bit Set offers a good selection of screw driver heads featuring 24 bits and one magnetic universal bit holder They come in a handy container making it ideal for your toolbox or drill case The 25 mm drill bits include 6 bits for slotted head screw driver, 6 bits for Philips cross head screw drivers, 6 bits for Pozidriv head screw drivers and 6 bits for Torx head screw driver