Application: 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 with non-roll feature, multi-component