The M18 FUEL™ 1/2” Compact Impact Wrench w/ Pin Detent is the Most Powerful tool in its class by delivering up to 220 ft-lbs of torque in a compact design. The POWERSTATE™ Brushless Motor not only provides unmatched power, but also provides greater efficiency, delivering up to 25% more run-time than the leading competitors. REDLINK PLUS™ Intelligence is the most advanced electronic system on the market, preventing damage to the tool and battery caused by overloading or overheating.