Loki comes with a 0.75-inch diameter brass ring for your essential keys. But that’s just the basic setup. It is a versatile keyring offering an easy-to-access but secured loop, where you can add additional keyrings, car keys, or any small objects with a ring. The loop and the core are made from our most premium WildWoven Leather, and the edges are fine-finished, reflecting the same level of refinement found in our premium line of wallets. The industrial-grade brass metal hook on the top will help you attach the keyrings to an array of accessories. If you are looking for a versatile keyring that can be customized anytime according to your desire, Loki is ready to become your everyday essential companion. – Dimension: 5.9 (length) x 1 (width) inch.