The M18 FUEL� �� Hex Impact Driver is the Fastest, Most Compact, and Most Powerful tool in its class. The POWERSTATE� Brushless motor delivers up to 2,000in-lbs of torque and up to 30% Faster Driving speed, increasing user�s productivity for the most demanding fasteners on the job. At only 4.59� in length, this is the Most Compact tool in its class, allowing users to have more access in tight spaces. The REDLINK PLUS� intelligence ensures maximum performance and protects from overloads, heating and or over-discharge. The REDLITHIUM Battery Pack delivers more work per charge and more work over the life of the pack when compared to competitors. The 4-Mode DRIVE CONTROL� provides greater control over output speed and power, for greater versatility. The Self-Tapping Screw mode provides faster installation time by reducing stripping of fasteners.