This Nickel Metal Split Keychain Ring might be the key to your next project! With an inner diameter of ⅝ inches and an outer diameter of just over ¾ inch, this ring is composed of a closed spiral of sparkling silver-like metal in the ever-familiar shape of a key ring. Whether it’s used for the traditional key-holding or as a join for jewelry, straps, and other accessories, anything you make is sure to shine!