The VTOOLS Corded 1050 Watt Electric Impact drill is designed for DIY tasks including drilling into wood, metal, concrete, etc. This impact drill can be used to drill holes in wood (25mm), steel (13mm), and concrete (13mm). It includes a speed setting knob that allows you to control drilling speed according to your needs. The drill has the capability to convert between hammer and drill function with one button depending on your tasks. The Impact Drill Set includes 1 1050 Watt Impact Drill, 1 Chuck Key, 1 Side Handle, 1 Guide Ruler, and 1 Manual as well.