Rechargeable battery screwdriver: Fully automatically switches at 0.4 Nm or 1.0 Nm from electrical to manual operation. This prevents damage to materials due to uncontrolled electrical power. Ergonomic handle: Unique ring switch allows operation in all working positions. Includes SlimBits in the sizes Pozidriv PlusMinus 2 and slotted 3.5 mm. Made in Germany: Work is completed in 1/3 of the time, making it easy on hands and muscles. Recommended by German doctors and therapists of the German Campaign for Healthier Backs! slimBits tested at 10,000 V AC + approved for 1,000 V AC. Screwdriver electrical: To ensure safety when working on live parts it is necessary that NO standard non-insulated ¼“ bits fit into the bit chuck. Rechargeable battery screwdriver: Used e.g. for power socket installation, work in switch cabinets, industrial maintenance and installation, household appliances and white goods, window and door installation, heating, air conditioning installation