Makita WT01ZW 12V max Lithium-Ion Cordless 3/8" Impact Wrench, Tool Only Makita-Built Motor Delivers 1,000 in.lbs. of Max Torque Variable speed (0-2,300 RPM & 0-3,000 IPM) for a wide range of fastening applications Compact and ergonomic design at only 6-3/8" long Weighs only 2.1 lbs. with battery (battery not included) for reduced operator fatigue Built-in L.E.D. light illuminates the work area