Variable 2-speed design (0-500 & 0-2,000 RPM) (0-7,500 & 0-30,000 BPM) covers a wide range of drilling, driving and hammer 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