THIS SNAP ON GRAND MASTER YA501E DOESN’T SHOW ITS AGE. NOT ONLY IS IT FAILY RARE AND UNIQUE IT WAS NEVER EVER USED IN THE FIELD AND CONTAINS EVERY FACTORY ITEM IT CAME WITH 15 YEARS AGO. The Snap-on YA501E Grand Master socket is a high-quality hand tool designed for automotive applications. The Snap-on brand is known for its superior craftsmanship and this socket is no exception, providing professionals and enthusiasts with a versatile tool for various automotive repairs and maintenance tasks.