This Snap On PDR5 pistol grip air drill is a versatile and durable tool perfect for any mechanic or DIY enthusiast. The 1/2in. chuck size and reversible feature make it easy to use and switch between drilling and driving modes. It comes with an air hose fitting and 1/2in. chuck for added convenience. The Snap-on brand is known for its high-quality tools, and this drill is no exception. It has a 1/4in. air inlet size and keyed chuck key type for added precision and safety. This single item set is a must-have for anyone looking for a reliable and efficient air drill.