The Milwaukee M18 Fuel Surge 1/4in. Hex Hydraulic Impact Driver is one of the quietest cordless fastening solutions on the market. It features Milwaukee's new Fluid-Drive hydraulic powertrain for up to 50% quieter operation, 3X less vibration and faster speeds than standard impact drivers. The Powerstate brushless motor delivers 450 ft.-lbs. max torque and 0-3000 RPM with constant power output to drive screws super fast.