With factory-set torque pre-adjusted according to customer specifications. The torque value can be changed within the measurement range using an additional tool (re-calibration kit, available for order with code number 05137004001). Afterward, verify the set value with a standard torque measuring device. Compact handle/interchangeable blade system for torque-controlled fine screwing. The Kraftform Micro ESD torque screwdriver is ideal for torque-controlled fastening on electrostatically sensitive components. Suitable for bits with a 4 mm half-moon drive (Wera series 9) and bits with a 4 mm HIOS drive (Wera series 21). Tamper-proof. Clearly audible and noticeable engagement when the set torque is reached. Repeat accuracy is guaranteed at 100%. Unlimited manual loosening torque. Electrical surface resistance ≤ 10^9 Ohms for safe protection against electrostatic energy. Manufactured according to DIN EN 61340-5-1. Handle/interchangeable blade system for rapid blade exchange. Kraftform Micro handle with a rotating cap and quick-turn zone for fast spinning, eliminating the need for time-consuming repositioning. Power zone with integrated soft zones for transferring high loosening and tightening torques. Precision zone directly above the blade for the correct torque angle during adjustment work. Quick bit fixation: simply slide the bit into the holder, automatic locking, secure fit. To change the bit, simply push the sleeve forward and remove the bit. Free-running operating sleeve for easy guidance of the tool during the screwing process. Bits suitable for manual and machine-operated fastening with electric screwdrivers. Suitable for use on smartphones, mobile phones, cameras, electronic devices, in dental laboratories, and dental practices. Please note: 1 Ncm = 0.01 Nm.