M18 FUEL ¼” Hex Impact Driver is the Most POWERFUL and FASTEST DRIVING impact driver, featuring ULTIMATE TRIGGER CONTROL. Our 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. intelligence delivers ULTIMATE TRIGGER CONTROL by providing smooth acceleration for small fasteners to prevent stripping of screws or damaging of materials. Our M18 Battery Packs deliver more work per charge and more work over the life of the pack. Featuring 4-mode drive control provides our users with greater control over output speed and power. Self-Tapping Screw Mode is designed to reduce walking when starting self-tapping screws as well as reduce overdriving, breaking, and stripping out screws. This new impact driver also features Tri-LED lighting, illuminating the area of work while eliminating shadows.