This hitachi screwdriver bit set is perfect for any impact driver or drill driver and has most of the popular bits for the most demanding of jobs the storage box has a built in belt hook for added portability whats included4 x philips 12234 x pozidriv 12237 x torx security 101520252730407 x torx 101520252730404 x slotted 3456mm4 x hex 34561 x magnetic quick release holder1 x adapter 14