This impact drill with 850 W can drill holes up to 16 mm in concrete, 13 mm in steel, and 30 mm in wood. It features a metal gearbox and a high-quality drill bit for optimal durability and stability. The keyless 13 mm drill chuck has a locking function that makes changing drill bits easier. The machine is also equipped with a metal depth stop, a left/right function, and a locking button for continuous operation while switched on. The speed control can be adjusted from 0 to 3,000 RPM for optimal drilling speed. When the impact drilling function is selected, you can expect an impact rate of up to 48,000 blows per minute.