[High Torque Performance] This professional impact wrench delivers a maximum torque of 1500 N.m (1106 ft-lbs) and a speed of 3500 RPM, making it ideal for tackling tough tasks like loosening rusted bolts or heavy-duty repairs. The brushless motor ensures enhanced power, longer lifespan, and better durability compared to traditional models. [Powerful Battery System] Equipped with two 21V 4.0Ah high-capacity batteries and a fast charger, this cordless tool offers extended runtime—up to twice that of standard batteries. The charger can fully recharge the battery in just 3 hours, minimizing downtime and boosting efficiency for continuous work. [Safety and Convenience Features] Designed with user safety in mind, this impact wrench includes clockwise and counterclockwise rotation modes easily adjusted via side buttons. In reverse mode, an auto-stop function activates once nuts or bolts are loosened, preventing splashing and ensuring secure operation. [Versatile Applications] Perfect for a wide range of tasks including car maintenance, truck tire changes, construction projects, agricultural machinery repairs, and more. It handles heavy-duty work effortlessly, saving time on challenging jobs. [Complete Kit Contents] Your purchase includes: one impact driver (1500 N.m), two 4.0Ah battery packs, one quick charger, five sockets (17mm/19mm/21mm/22mm/24mm), one extension rod, four leather rings and pins, a sturdy carrying case for easy storage and transport. [Reliable Support] We offer dedicated customer service to assist with any questions or concerns. Our team is committed to ensuring your satisfaction with prompt responses.