Makita XDT04CW 18V Compact Lithium-Ion Cordless Impact Driver Kit Makita-built 4-pole motor delivers 1,420 in. lbs. of Max Torque Variable speed (0-2,300 RPM & 0-3,200 IPM) for a wide range of fastening applications Compact at only 5-7/16" long; weighs only 2.8 lbs. with battery for reduced operator fatigue Convenient one-touch 1/4" hex chuck for quick bit changes Built-in L.E.D. light with afterglow illuminates the work area