Cordless metal screw gun up to 6.3 mm. Speed-optimised cordless drill/driver for screw connections in metal up to a diameter of 6.3?mm. Powerful battery for more than 150 screw connections in 1.25 mm trapezoidal sheet metal on to 2 mm steel. Electronic torque shut-off for precise results even without a depth stop. Brushless FEIN Power Drive motor, fully encapsulated & dust-protected with 30% higher efficiency & long service life. Battery voltage 18V Speed, full load 0-1500rpm Speed, no load 0-1700rpm Max. torque (hard/soft) 30/10 Nm Rapid change chuck 1/4in Screw & Oslash;6.3mm