VDE bit holder: Quick and precise adjustment of the torque values by a digital display, variably adjustable torque covers a wide range of applications. Bit screwdriver for electricians: Calibration protocol with an accuracy of +/-6% for all torque tools from Wiha. SlimBits tested at 10,000 V AC and approved for 1,000 V AC. Ergonomic handle: For work that is easy on hands and muscles, recommended by doctors and therapists of the German Campaign for Healthier Backs! Electrical screwdriver: To ensure safety when working on live parts it is necessary that NO standard non-insulated ¼“ bits fit into the bit chuck. Torque screwdriver: A clearly audible, physically perceptible signal emitted when the torque is triggered guarantees process safe torque mechanics (protecting against damage to materials and eliminating the need for retouching). 1x torque screwdriver TorqueVario®-S electric variably adjustable torque limit 0.8 - 5 (26626) 1x adjusting tool for torque screwdriver with long handle