1/2" Twin Hammer Air Impact Wrench Set W/Sockets Max Torque 660N.m Pneumatic Sleeve Pneumatic Tools ,Easy to Use

Made from forged and heat treated chrome vanadium steel, with a corrosion-resistant black phosphate finish to make it anti-oil, anti-rust With special 6-point socket design, reaching a comprehensive touching, making the locking force stronger, reducing the wear and tear on the bolt surface, preventing damage to the bolt and sleeve The socket was processed by data control technology, with ultrasonic detection to prevent production damage; High-contrast permanent etched mark are easy-to-identify even though in lower light Comes with a customized heavy duty case, which can make the socket set portable and provide you much convenience for organized storage 8 Sockets: 9,10, 11, 13, 14,17,19,22mm; the 1/2-inch impact extension set length 125mm (5inch), which increases torque and saves your energy; Spring-loaded ball detents lock set avoid parts from slipping into machinery