Makita XDT01Z 18V LXT Lithium-Ion Brushless Cordless 3-Speed Impact Driver- Discontinued by Manufacturer (Discontinued by Manufacturer) 3-Speed Power Selection for Precise Fastening Control Efficient BL Brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge BL Brushless Motor delivers 1,460 in.lbs. of Max Torque Compact and ergonomic design at only 5-1/2" long Weighs only 3.3 lbs. with battery (battery not included) for reduced operator fatigue