Makita XDT04 18V Lithium-Ion Cordless Impact Driver Kit (Discontinued by Manufacturer) Variable speed (0-2,300 RPM & 0-3,200 IPM) for a wide range of fastening applications Compact and ergonomic design at only 5-7/16" long Weighs only 3.3 lbs. with battery for reduced operator fatigue Convenient one-touch 1/4" hex chuck for quick bit changes Makita-built 4-pole motor delivers 1,420 in.lbs. of Max Torque