Wera torque screwdriver. Pre-set torque value for all applications where the same, constant torque and repeat accuracy are required. The torque value can be modified within a specific measurement range. Rapidaptor quick-release technology for rapid bit change. Unlimited torque to loosen seized screws. Multi-component Kraftform handle with hard and soft zones for high working speeds, whilst being easy on the hand. Suitable for bits with 1/4" hexagon head drive as per DIN ISO 1173-C 6.3 and E 6.3 (ISO 1173).