Milwaukee 2452-22 M12 Fuel 1/4 Impact Wrench Kit W/2 Bat Delivers up to 500 in-lbs of peak torque with maximum sustained torque to complete a variety of applications Superior pack construction, electronics, and performance deliver more work per charge and more work over pack life than any battery on the market Provides optimized performance and overload protection using total system communication between tool, battery and charger Two fastening modes provide variable power and speed for precision work and heavy duty applications