Wera 838 RA-S Bitholding Ratcheting Screwdriver. Extremely compact bitholding screwdriver with an intuitive 36-tooth ratchet mechanism (10 return angle) integrated into the handle for faster reposition-free screwdriving. The embedded ratchet ensures effortless use. Ergonomic handle for comfortable switching between clockwise counterclockwise or neutral positions preventing blisters and calluses. Compatible with 1/4″ hexagon drive bits and features a magnetic bitholder.