Makita XPH07MB 18V LXT BL Cordless 1/2" Hammer Driver-Drill KitHighlights: BL Brushless Motor delivers 1,090 in. lbs. of Max Torque 0 31,500 BPM for fast hammer drilling in masonry materials Efficient BL Brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge The BL Brushless Motor eliminates carbon brushes, enabling the BL Motor to run cooler and more efficiently for longer life The electronically controlled BL Brushless Motor efficiently uses energy