Makita XT269M 18V LXT Lithium-Ion Brushless Cordless 2-Pc. Combo Kit (4.0Ah), Blue

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 to match torque and RPM to the changing demands of the application Variable 2-speed 1/2" Hammer Driver-Drill (0-500 and 0-2,000 RPM) with BL Brushless Motor delivers 530 in.lbs. of Max Torque; weighs only 4.2 lbs. with battery Variable speed Impact Driver (0-3,400 RPM and 0-3,600 IPM) with BL Brushless Motor delivers 1,500 in.lbs. of Max Torque; weighs only 3.3 lbs. with battery