Powerful Air Impact WrenchThe 45mm cylinder design twin hammer impact mechanism, provide the 12 impact gun air a strong torque and smooth balanced blows, delivering an impressive working torque of 1500 ftlbs, the high torque impact wrench offers superior reliability and performance. Compact LightweightThe air impact wrench 12 features with ergonomic grip handle, compact composite housing, and only 4.73 lbs, making the 12 inch air impact gun minimize stress on your wrists and hands, providing optimal comfort and control for users. Convenient Torque ControlThe impact gun 12 drive has 3 free speeds Up to 8000 RPM and 1 reverse speed, utilizing the adjustable knob to meet your different speed needs. When you release the trigger, the half inch impact wrench will immediately stop running. Versatile ApplicationThe 12 inch impact wrench will make the workspace maintaining tidy, since the rear exhaust will keep debris away from the surface. The heavy duty tire impact wrench is sturdy with alloy steel 12 inch drive, great for automotive repair, tire shops, heavyduty suspension, and tough automobile work. SpecificationMax torque 1500 ftlbs, square drive 12 inch, working pressure 90psi, speed 8000 RPM, air hose adapter 14 inch, weigh 4.73 lb. Please note The pneumatic impact wrench 12 inch recommended airflow of working pressure is 90psi, to get the max torque, the airflow of working pressure should be higher.