Makita built, 4-pole maximum torque motor delivers 170 ft. lbs. of efficient torque in a compact size. More compact design at only 6.5" long and weighs only 3.7 lbs. for less operator fatigue. Batteries charge 2X faster in only 25 minutes. Ergonomic shape fits like a glove with even pressure and easy control. Makita Lithium-Ion provides longer run time, 5x lower self-discharge (for use any time) &16 firm holding contact terminals (for constant high power). Built-in LED light illuminates the work area. Replaceable armature, field, and externally accessible brushes for greater serviceability. 3-year warranty on tool. Battery and charger sold separately.