550N.m Cordless Impact Wrench, 6 Speed, 1/2 Inch 406ft-lb Electric Impact Gun, High Torque Brushless Motor, 0 to 3300 RPM,2x4.0A Batteries,21 Accessories

550N.m High Torque & Brushless Motor: The impact wrench delivers a maximum torque of 550N.m (406 ft-lbs), making it the highest torque battery-powered cordless impact wrench on the market 6 Adjustable Speed Control: The 1/2 impact wrench has a bottom switch and supports 6 speeds from 0-1900/2180/2460/2740/3020/3300 RPM to meet different work needs, improve efficiency and save battery power. 4.0Ah Battery: The wrench has 2 x 21V 4.0Ah removable batteries, the capacity of the battery is twice as much as the 3.0Ah, which means a longer service life. It also has a charger with battery indicator. 3 in 1 Multifunctional Impact Wrench: The heavy-duty impact wrench can also be used as a hammer drill and screwdriver, suitable for different working situations.