Combi hammer series metabo khe power 800 watt gear 1 speed tool holder sds plus weight 35 kg idle speed max 1 150 rpm blow count max 4 470 countsmin torque max 20 nm drill diameter in concrete 32 mm drill diameter in steel 13 mm drill diameter in wood 35 mm special features anti vibration rotation stop rightleft rotation impact stop power supply mains operation impact force 31 joule number of gears 1