This is a genuine vintage Brannock Device, used for measuring foot size up to 15 for men. It is made of aluminum and has a silver color. This piece is an original from the 1950s 60s and is a great addition to any collection of vintage accessories. The Brannock Device was originally invented in the United States and has become an iconic tool in the shoe industry. This item is perfect for anyone looking to add some authentic vintage charm to their wardrobe.