You always carry your keys, why not protect yourself with this Night Watchman Self Defense Kubaton Keychain by AZAN™. This mean, sturdy steel kubaton keychain is far from harmless with its glass breaker spiked edge. Unscrew the point and reveal the 2.5-inch hidden blade that screws into the end, making it the ultimate 7.5-inch personal security device. This keychain features an all silver steel body that conceals the blade and sports a key ring end so you will never lose your defense. The rigged diamond-pattern steel body allows you a secured tactile grip. With this attached to your keys, you will never feel unsafe again. Overall Length: 7.5 inch (Blade), 5.5 inch (without Blade), Blade Length: 2.5 inch