Wera torque screwdriver. Provides secure protection against electrostatic energy and associated damage. Factory pre-set torque value according to customer specifications. Suitable for all applications where a constant torque is required and repeat accuracy is demanded. The torque value can be adjusted within the measurement range using the additional tool 05137003001. After adjustment, the set value can be checked with a standard torque testing device. Rapidaptor quick-change technology for lightning-fast bit changes. Unlimited loosening torque for removing stuck screws. Multi-component Kraftform handle with hard and soft zones for high working speeds and to protect the palm. Compatible with 4 mm half-moon drive bits (Wera Series 9) and 4 mm HIOS drive bits (Wera Series 21). Please note: 1 Ncm = 0.01 Nm.