The Mac Tools Pneumatic 3/8-in Drive Air Impact Wrench MPF980381 is a high-quality automotive tool designed for maximum torque output of 575ft/ibs. Made by Mac Tools, a reputable brand known for producing durable and reliable tools, this impact wrench features a 3/8in air inlet size and is a single item set. Manufactured in Taiwan, this tool is perfect for automotive maintenance and repair tasks, offering a solid construction and precise performance for various mechanical applications.