Makita PH05R1 12V max CXT Lithium-Ion Brushless Cordless 3/8" Hammer Driver-Drill Kit (2.0Ah) Compact and ergonomic design at only 6-5/8" long Weighs only 2.4 lbs. with battery for reduced operator fatigue BL Brushless Motor delivers 280 in.lbs. of Max Torque The BL Brushless Motor eliminates carbon brushes, enabling the BL Motor to run cooler and more efficiently for longer life Efficient BL Brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge