The Sioux 3/8" Drive Air Impact Wrench Model 5038B is a high-quality tool designed and manufactured in Japan by Sioux. This impact wrench features a 3/8" drive size, making it ideal for a variety of automotive and industrial applications where precise and powerful fastening and loosening of nuts and bolts is required. With its durable construction and reliable performance, this air impact wrench is a valuable addition to any tool collection for professionals and enthusiasts alike.