Cordless hammer drill series metabo sbe gear variable speed weight 26 kg min idle speed 1 000 rpm idle speed max 3 000 rpm blow count max 57 000 countsmin drill diameter in concrete 16 mm drill diameter in steel 13 mm drill diameter in wood 30 mm power supply battery operation battery voltage 18 v number of batteries ohne akku technology li ion included in delivery keyless chuck auxiliary handle metaloc case