The MILWAUKEE® M18™ Compact Brushless 1/4 in. Hex Impact Driver is the fastest 18v compact impact solution in its class. The brushless motor technology is optimized for the impact driver, providing 1,600 in-lbs. of torque and more runtime. The compact motor also makes the brushless impact driver smaller at 5.1 in., increasing battery life and improving access to small and tight spaces. Built-in MILWAUKEE® REDLINK™ electronics optimize the way the REDLITHIUM™ batteries work with the hardware of the impact driver, delivering 3,400 RPM's for best in class application speed and performance. The Compact Brushless 1/4" Hex Impact Driver works with all M18™ batteries so you can work harder for longer.