Mechanical 2-speed transmission (0-500 & 0-1,900 RPM) for a wide range of drilling and fastening applications Makita-built brushless motor delivers 440 in.lbs. of Max Torque All metal gears engineered for maximum job site durability Compact and ergonomic design at only 6-5/8\ Weighs only 3.6 lbs. with battery for reduced operator fatigue