900 Ft-lbs (1200N m) High Torque - This cordless impact wrench delivers an impressive 900 ft-lbs (1200N m) of max torque, perfect for heavy-duty automotive work, truck and RV tire removal, industrial assembly, and home garage repairs. Removes even the most stubborn, rusted nuts effortlessly. 2 4.0Ah Battery Packs The two high-capacity 21V batteries ensure extended runtime and less downtime. Perfect for mechanics, tire shops, or anyone needing long-lasting cordless power. Fast charger included fully charges in just 2 hours. Efficient Brushless Motor - High-efficiency brushless motor runs cooler and quieter than brushed motors, extending tool lifespan while offering steady power output.