Series 7400 Kraftform torque screwdrivers with a customised factory pre-set measurement value, pistol handleApplication: Suitable for 1 4" DIN ISO 1173 C 6. 3 and E 6. 3 hexagon insert bits and Wera Series 1 and 4 Design: Rapidaptor rapid in, rapid out, rapid spin, chuck all and single hand technology Pre set torque: Adjustable to customer requirements within the specified measurement range Accuracy:6 % (DIN EN ISO 6789). Reliable slipping mechanism and acoustic signal when reaching the set torque. Handle: Kraftform pistol grip, multi component