The Milwaukee M18 Fuel 1/4 in. Hex Impact Driver is the Most Powerful and Fastest Driving impact driver, featuring Ultimate Trigger Control for precise fastening in professional applications. Powerstate Brushless motor delivers unmatched power across a full range of capability, while 2000 inlb. of torque and 3900 Rpm provide the speed required for demanding fasteners without sacrificing control. Ultimate Trigger Control yields smooth acceleration to prevent stripping screws and damaging materials, and the 4-Mode Drive Control lets users tailor output for repeatable results and material protection. Compact at 4.47 in. and weighing 2.2lbs, the design improves access in confined spaces, and single-handed bit insertion speeds tool changes, while Tri-LED Lighting maximizes workspace visibility for accurate alignment. Increase productivity on the jobsite with the fastest driving speed of any impact driver in its class. The included M18 Redlithium High Output XC 5 Battery Pack delivers 50 percent more power vs. Redlithium XC 5.0 with a Pwr level 3 on the M18 Redlithium Power scale and 5 amp hours of runtime, providing a balance of power, runtime, and size that is fully compatible with 300+ M18 solutions.