The impact screwdriver (1779) from Stahlwille is a high-quality tool designed for professional use. With a hexagonal socket, it is compatible with bit screwdriver inserts from serial numbers 4040 to 4058 and is ideal for screws ranging from sizes M5 to M10. The impact screwdriver provides a maximum torque of 120 N·m, allowing for efficient and powerful application. The bit holder has a diameter of 3/8", while the bit sizes are 10 mm (3/8") and 12.5 mm (1/2"). Weighing 604 grams and measuring 138 millimeters in length, it is compact and easy to handle. The impact screwdriver is sold as a single unit, making it a valuable addition to any toolbox. It is particularly suitable for applications requiring high torque and offers reliable performance in various work situations.