The Mac Tools 1/2" Drive Pneumatic Air Impact Wrench AW5500 is a high-quality automotive tool designed for maximum torque of up to 500ft/lbs. Made in the United States, this single item unit is brand new in the box. With a 1/2 inch drive size, this impact wrench is perfect for various automotive applications requiring reliable and powerful performance. The Mac Tools brand is known for its durability and precision, making this product a valuable addition to any mechanic's tool collection.