The Milwaukee M12 Fuel 1/4" Hex Impact Driver is designed to deliver 20 percent faster application speed than other 12V impact drivers on the market, the company says, and delivers a 1,300 in-lbs of torque. The brushless motor delivers up to 3,300 rpm with constant power output to drive screws faster. The tool offers a four-mode drive control feature, providing the user the versatility to switch between modes to match the power and speed to the application at hand. The self-tapping screw mode is designed to reduce walking when starting self-tapping screws and to help reduce overdriving, breaking and stripping out screws. The driver weighs less than 2 lbs and is 5.1" long.