The impact screwdriver (1779) from Stahlwille is a high-quality tool designed for professional use. With an internal hexagon 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 offers a maximum torque of 120 N·m, enabling 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 piece, making it a valuable addition to any toolbox. It is particularly suitable for applications requiring high torque and provides reliable performance in various work situations.