The MILWAUKEE M18 FUEL 1/4" Hex Impact Driver is the Most POWERFUL and FASTEST DRIVING impact driver, featuring ULTIMATE TRIGGER CONTROL. MILWAUKEE POWERSTATE Brushless motor delivers unmatched power for a full range of capabilities 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. MILWAUKEE REDLINK PLUS intelligence delivers ULTIMATE TRIGGER CONTROL by providing smooth acceleration for small fasteners to prevent stripping of screws or damaging of materials. The MILWAUKEE M18 REDLITHIUM XC5.0 Two Battery Pack delivers up to 2.5X more runtime, 20 percent more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance providing users more work per charge and more work over pack life than any battery on the market.