The Vintage Craftsman 1/2" Drive Tri-Wing Thumb Wheel Ratchet 43797 is a single standard ratchet tool made in the USA. With a length of 10 inches and a 1/2 inch drive size, this ratchet is perfect for automotive and hand tools applications. The tri-wing thumb wheel design allows for easy and precise manipulation, making it a reliable and durable addition to any tool collection.