Bosch titanium 100 piece x line drill screwdriver bit set bosch 2607019330 a combination drill and screwdriver bit set comprising 50 tools in an attractively designed stable and robust x styled carrying case the set contains drill bits for wood metal plastic a selection of 1 4in hex screwdriver bits and a selection of commonly used tools bosch 2607019330 titanium 100 piece x line drill screwdriver bit set acc