The M18 FUEL High Torque Impact Wrenches outperform all competitors and offer professional tradesmen new levels of performance, run time and durability. Traditionally, users facing repetitive high torque fastening applications have needed to resort to corded or pneumatic impact wrenches due to run time and power challenges. The combination of a POWERSTATE Brushless Motor, REDLINK PLUS Intelligence, REDLITHIUM XC 4.0 Battery Pack and an optimized impact mechanism results in tools that outclass all cordless, corded and even pneumatic competitors. Each M18 FUEL High Torque Impact Wrench features a unique anvil / mechanism combination and proprietary 2-Mode DRIVE CONTROL that is tuned to offer users more productivity and a wider range of applications they can complete.