Hammer BOSCH GBH 18V-22 Professional - This tool is compact, light, and ergonomically designed with a well-defined centre of gravity, so you will find it easier and less tiring to handle it, especially when drilling overhead - You stay in control and there's less impact on your hands and arms thanks to KickBack Control and Vibration Control - And you can wrap up the job with less interruptions too – this tool combines high performance with efficient battery runtime - The GBH 18V-22 Professional hammer is your tool of choice if you want a powerful but manageable power tool - It is ideal for drilling 6 mm to 10 mm holes, whether you are a plumber putting in sanitary installations or a carpenter prepping a site for a kitchen installation - Equally, if you are an electrician, you can count on this tool, particularly when drilling overhead to install lighting, lamps, and smoke detectors - Compatible with the Bosch Professional 18V System