The Makita 8V Impact Tool, No. BDT 142, has a four-pole motor and delivers 1,280 in/lbs of maximum torque. The unit is 5 3/4" long and weighs 2.9 lbs for reduced operator fatigue.A built-in LED light with afterglow illuminates the work area. The ergonomic shape fits like a glove with even pressure and easy control. It accepts the Makita 18V LXT Li-ion battery for even longer running time.