The FF43200 Hammer Drill Brushless CHD/60-BL 20VPRO (2X50AH) + CASE offers superior performance and efficiency with its brushless motor, 21 torque control positions, and premium lithium battery cells for up to 50% more charging cycles. The powerful motor and variable speed setting allow for a quick stop and 3 functions: screwdriving, drilling, and hammer drilling. The metal keyless chuck provides a secure fit and the LED work light ensures visibility in any setting.