Makita XFD12T 18-Volt 1/2-Inch 5.0Ah Compact Cordless Driver-Drill Kit

Mechanical 2-speed transmission ( & RPM) for a wide range of drilling and fastening applications,BL Brushless motor delivers 530 in.Lbs. Of max torque,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