The Craftsman Air Drive 3/8" Pneumatic Air Ratchet Wrench is a reliable and durable tool for automotive maintenance and repair. With a 3/8" drive size and 1/4" air inlet size, this air ratchet wrench is designed for efficient and easy operation. The product is manufactured by Craftsman, known for their quality and long-lasting tools, but it does not come with a warranty. Overall, this tool is a valuable addition to any mechanic's workshop for tackling various automotive tasks with precision and ease.