This electric impact drill with hammer function; Depending on your task, toggle the top button and select the hammering and drilling functions; The hammering function of drilling in concrete, the hammer function of drilling is valid in steel plate and wood. It can not be used for reinforced concrete walls Powerful motor: Features a 850W motor to deliver a very nice performance at 3000RPM; Providing additional durability and overload production for drilling. Its max drilling capacities are: Wood - 25mm, Steel - 10mm, and Concrete - 13mm 1/2 "chuck and depth gauge: This impact hammer drill comes with a rugged chuck for a variety of drill bits. The maximum diameter of the impact drill chuck is 1/2 ". It is equipped with a keyed chuck for quick and easy change of bit. The built-in depth gauge allows you to determine exactly how deep the bit should be to meet the individual requirements of the task Ergonomic Design: Ergonomically designed handle with rubberized soft grip fits your hand perfectly to provide maximum control and comfort. A 360° auxiliary ergonomic handle with anti-slip function for better control the drill What You Get: 1* Impact Drill, 1* Chuck Key, 3* Drill Bits, 1* Depth Gauge, 1* User Manual, Manufacturer: Autofather