The Performance Tool M631 1/2-Inch Composite Impact Wrench is a single high-quality air tool designed for automotive use. With a maximum torque output of 1000ft/lbs., this impact wrench is durable and reliable for demanding applications. Made by the trusted brand Performance Tool and manufactured in China, this wrench features a 1/2-inch drive size, making it compatible with a variety of fasteners and nuts. Ideal for professional mechanics and automotive enthusiasts, this composite impact wrench delivers powerful performance and long-lasting durability.