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A keyring (also called "split ring") is a ring (usually made of metal or plastic) that holds keys and other small items, which are sometimes connected to keychains. Other types of keyrings are made of leather, wood and rubber. Keyrings were invented in the 19th century. Template:Fact

The most common form of the keyring is a single piece of metal in a 'double loop'. Either end of the loop can be pried open to allow a key to be inserted and slid along the spiral until it becomes wholly engaged onto the ring. Novelty carabiners are also commonly used as keyrings for ease of access and exchange. Often the keyring is adorned with a key fob for self-identification.

Other forms of rings may use a single loop of metal or plastic with a mechanism to open and securely close the loop.

In the cryptography sense, a keyring stores known encryption keys (and in some cases, passwords). For example, GNU Privacy Guard uses the concept of keyrings. Template:Fact

How it works

Keyrings consist of spring metal, generally steel, that is usually coated in chromium to prevent corrosion. Steel keyrings contain high-tensile steel and work by having such rigidity in the metal that it constantly applies pressure on itself. This grade of steel is also found in older-model cars' suspension systems which rely on the rigidity of the metal to prevent it from collapsing.

See also


Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary



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Alternative spellings


key +‎ ring.




keyring (plural keyrings)

  1. A ring, normally of metal or plastic, for holding keys together.
  2. (cryptography) A set of data holding linked encryption keys.


See also



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