Makita XDT11R 18V Compact Lithium-Ion Cordless Impact Driver Kit Variable speed (0-2,900 RPM & 0-3,500 IPM) and 1,460 in. lbs. of torque for a wide range of fastening applications Makita-built 4-pole motor with innovative 4-brush design delivers increased RPM without decreasing torque Compact and ergonomic design at only 5-3/8" long Weighs only 2.8 lbs. with battery for reduced operator fatigue Convenient one-touch 1/4" hex chuck for quick bit changes