This vintage Armstrong 3/8" socket with the model number F-1212 and 3/8" drive is a must-have for any mechanics or tool enthusiasts. Made in the USA, it is a high-quality piece of collectible hardware. The brand Armstrong is known for its durable and reliable tools, and this socket is no exception. It has not been modified and is in excellent working condition. The country/region of manufacture is the United States, which adds to its value for collectors. This socket is perfect for use in any automotive or mechanical application. Don't miss out on the opportunity to add this piece of history to your collection or to use it in your shop.