The MILWAUKEE® M18™ Brushless 1/4 in. Hex Impact Driver is the fastest 18V compact impact solution in it's class. The brushless motor technology is optimized for the driver, providing 1,600 in-lbs. of torque and longer runtime. The motor designed designed for this impact driver delivers a smaller tool at 5.1 in., extends battery life and greatly improves access to small and tight spaces. Built-in REDLINK™ electronics optimize the power draw from the REDLITHIUM™ batteries, delivering 3,400 RPM's for best in class application speed and performance. 3-Mode DRIVE CONTROL™ delivers unmatched control for a wide range of small and large applications. The impact driver also has single-handed bit insertion for easy bit exchange. The Brushless 1/4" Hex 3 Speed Impact Driver works with all M18 batteries so you can work harder for longer.