Convenience Key

Key which can enter into keyway with either edge of blade facing up. Single sided convenience key operates a lock where all the tumblers come from one side and a key could be cut only on one side and still operate the lock. The key is then duplicated on the other side. Double sided convenience key refers to double throw tumblers, which enter the keyway from both directions and require the key to have cuts on both sides. Both sides of the key are cut identical