The SEARS CRAFTSMAN 1/2" DRIVE IMPACT WRENCH 918884 is a single, high-quality air drive tool manufactured in Japan. This impact wrench features a 1/2" drive size, making it suitable for a variety of automotive maintenance and repair tasks. With the Craftsman brand known for its durable and reliable tools, this impact wrench is sure to be a valuable addition to any auto mechanic's toolbox.