Wera Kraftform Kompakt 838 RA-R M Ratcheting Screwdriver Set 1 Metric 0505106100115 piece ratchet screwdriver set. Bitholding screwdriver with intuitive ratchet functionality. The ratchet mechanism with fine toothing integrated in the handle (36 teeth return angle 10) eases and accelerates screwdriving without having to reposition the tool. Spinning the tool is also possible. The ratchet mechanism completely embedded in the handle ensures very handy and comfortable work. Ergonomic switching to clockwise counterclockwise or