Kubaton keyrings are ideal close-quarter self-defense weapons. Depending on the manner held, the Kubaton keyrings can be used to deliver hammerfist strikes, pressure point attacks, hardened fist punches, or metallic flailing attacks. Grooves add increased grip. Whether you use it as a standard keyring or for personal protection, you will walk a lot safer with the Kubaton keyring in your hand. 5 1/2" overall.