Metabo 850 watt khe 2650 with sds hammer rotary only and chisel function is a heavy duty combination hammer with variable speed metabo s automatic torque limiting clutch and quick change chuck system has three modes of operation hammer stop rotation stop and clockwise anti clockwise drilling the khe 2443 has variospeed v electronics with electronic soft start for precise spot drilling a stoppable switch for trouble free chiselling in continuous operation the metabo s automatic torque limiting cl