810/1 Bitholding screwdriver with retaining ring, 1/4", x 120 mmBit holder with Kraftform Plus handle for pleasant, ergonomic working that prevents blisters and calluses. Hard gripping zones for high working speeds whereas soft zones ensure high torque transfer. The integrated retaining ring ensures an optimum fit of the tool in the holder. Suitable for bits with hexagon head drive as per DIN ISO 1173-C 6.3 and Wera connecting series 1.