Hitachi DS18DVC 18-Volts Driver Drill, 1.4 Amp Hour Ni-Cd (Discontinued by Manufacturer) Class-leading 398 in-lbs of turning torque to power through the toughest jobs 2-speed transmission and variable speed switch for ultimate speed control (0-450 RPM or 1250 RPM) 22+1 stage clutch settings for precise torque adjustment and a drill mode to fit the application On-tool bit holder and 1/2-Inch keyless chuck allow for convenient bit-swapping Non-slip ergonomic grip for increased user comfort and control