The IR Ingersoll Rand IR2131S 1/2" Drive Pneumatic Air Impact Wrench is a high-quality, American-made tool designed for automotive use. With a maximum torque of 600ft/lbs, this impact wrench is perfect for removing and installing nuts and bolts with ease. The 1/2" drive size ensures a secure grip on fasteners, while the 1/4" air inlet size allows for efficient operation. This single item set is reliable and durable, making it a valuable addition to any mechanic's toolkit. Tested good working order