This witte bit pack contains 5 25mm ph3 diamond bitflex bits witte diamond bits are manufactured to be high reliable quality bits for use in industrial screw driving application diamond bits have lower seating stress due to the micro particle diamond coating which offers even better grip the micro particle coating on witte diamond bit clings into the screw head consequently the reduced slipping out from the screw head is multiplied thus ensuring an even better grip this is especially impor