The GBH 18V-22 Professional rotary 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 and with the multi-brand battery alliance AMPShare.