The key ring, reinvented: Use on its own, or with an Orbitkey Key Organizer. An easy-to-use keyring designed to make attaching and detaching keys effortless. No more broken fingernails: Simply pinch, pull down and rotate the inner tab to swap out your keys, fuss free! Suits most keys and accessories: Designed to be durable, yet slim enough to fit through most keys and fobs. The high strength stainless steel enclosure combined with the flexibility of a polymer core works beautifully to create the perfect balance of style, function, and durability. Secure mechanism. Fits up to 10 keys. Attach the Ring to your Key Organizer to carry extra keys, fobs, car keys - whatever you please! Dimensions: 30mm diameter, 3.5mm thickness, 3.6mm opening.