The Milwaukee 2663-20 M18 Cordless lithium-ion 1/2 in. High-Torque Impact Wrench features a 4-pole motor and powerful impact mechanism to deliver a reliable 450 ft. lbs. of torque with maximum run time. You'll get consistent speed control with the variable speed trigger. A 1/2 in. anvil with friction ring allows quick and easy, 1-handed socket changes. Lightweight and portable, with superior ergonomics, this 18-Volt cordless wrench offers the ultimate in comfort during prolonged use.
 
Highlights
Features 450 ft. lbs. of torque to perform a wide range of fastening applications
Delivers 2200 impacts per minute for powerful performance
Features a robust design combined with rare-earth magnets for longer life, more power and more run time than any brushed competitor
Variable speed trigger provides up to 1900 RPM
REDLINK intelligence provides optimized performance and overload protection using total system communication between tool, battery and charger