This vintage pocket reference card from Starrett is a rare find for collectors of machining and tool items. Made in the United States, this card is in pristine condition and has never been used. It features important measurements and conversions that are essential for any machinist or tool enthusiast. The rareness of this item makes it a valuable addition to any collection. The Starrett brand is known for its high-quality tools and this pocket reference card is no exception. Don't miss your chance to own this piece of history.