The Austral Ultimate lockset includes a Caretaker one-way locking function that enables the lock to be "snib locked" from the outside by operation of a Caretaker key. The Caretaker key cannot be operated to unlock the lock.
Tags: Lock Shop, Locks, Domestic & Commercial Locks, Security & Sliding Door Locks, Security Door Locks & Spare Parts, Austral, Austral Ultimate Lockset, Austral Ultimate Screen Door LocksAUSTRALALULTBLK