set of 15pcs ratchet screwdrivers kraftform kompakt 838 ra r m wera15 piece ratchet screwdriver set. Manual bit holder with a ratchet function that can be operated intuitively. The fine toothed ratchet mechanism (36 teeth 10 return angle), which is integrated into the handle, makes work on screw joints easier and faster without having to constantly restart the movement in a laborious manner. It is even possible to work with rapid rotary movements. The ratchet mechanism that is completely integrated into the handle