The M18 FUEL™ 1/4" Hex Impact Driver is the most powerful tool in its class. This hex impact driver provides up to 3X longer motor life, 50% more runtime, and proprietary Milwaukee® 3-Mode DRIVE CONTROL™ for better control over the power and speed required for specific applications. The POWERSTATE™ Brushless Motor outperforms all leading competitors with constant power output, yet runs cooler with no wearable components. The REDLITHIUM™ Compact Battery Pack delivers up more power and more recharges than standard lithium-ion batteries, as well as best-in-class performance in extreme jobsite conditions. The onboard fuel gauge helps you monitor the charge more accurately, so there’s less downtime on the job. REDLINK PLUS™ intelligence ensures optimized performance and protection from overload, overheating and over-discharge.  The M18 FUEL 1/4" Hex Impact Driver offers up to 55% faster application speed, and a range of 200 in-lbs to 1600 in-lbs of torque. Its compact size and weight allow access to tighter areas and reduce user fatigue. The built-in LED light illuminates work surfaces in dark locations. The kit includes the new multi-voltage charger, so you can charge all M12 and M18 lithium-ion batteries with one charger.