Impact drill series bosch psb bosch compact universal power 750 watt gear 1 speed tool holder keyless weight 19 kg idle speed max 3 000 rpm blow count max 48 000 countsmin torque max 10 nm drill diameter in concrete 14 mm drill diameter in steel 12 mm drill diameter in wood 30 mm special features rightleft rotation auto lock speed pre selection power supply mains operation operating voltage 230 v included in delivery auxiliary handle d