The SUNEX Tools 1/2" Drive Air Impact Wrench, No. SX231P offers up to 500 ft-lbs of torque, adjustable torque, and a free rpm speed of 8,000. It features reverse bias technology, increasing reverse torque and ensuring efficient lug removal. It's compatible with most commonly used sockets, including spindle nut applications. At only 5.9 lbs, it's light enough for extended use without strain.