Makita BTD141Z 4-pole maximum torque motor delivers 1,330 in./ lbs. of efficient torque in a compact size50% more compact design at only 5-3/4" long and weighs only 3.4 lbs. for less operator fatigueErgonomic shape fits like a glove with even pressure and easy controlBuilt-in L.E.D. light for more illuminated workMakita’s proprietary hammer and anvil are made using the highest quality steel and heat hardened to last longerElectric brake for immediate stops and minimizes kickbackTwo-piece armature and field along with externally accessible brushes for serviceability and longer motor lifeLXT Lithium-Ion provides longer run time, 5x lower self-discharge (for use any time) and 16 firm holding contact terminals (for constant high power)