M18 Fuel™ Hex Impact Driver, 1/4", 2000 in-lbs Max. Torque, 18 V, Lithium-IonPowerstate Brushless motor delivers unmatched power Increase productivity with the fastest impact driver speed Trigger control provides smooth acceleration for small fasteners Powerstate Brushless motor delivers unmatched power for full range of capability to complete the widest variety of applications Increase productivity on the jobsite with the fastest driving speed of any impact driver without sacrificing power or control Ultimate trigger control