This is a classic key ring from the German brand Troika. It has a functional design that allows you to detach the ring part with a button. Made of zinc alloy, it is durable. It's easy to organize multiple keys and convenient for lending only the necessary keys. It's a long-selling product that has been around for many years. - Color: Silver - Features: U.S. PAT. NO. 5.224.338 - Number of rings: 3 Thank you for looking.