Narrow door locks are locks that are designed to be used on doors with a narrower door frame. Narrow door locks are usually smaller than other locks, such as door or garage door locks, and are designed to fit on doors with a narrower door frame. There are several types of narrow door locks available, including cylinder locks, latch locks, and knob or lever locks. Narrow door locks can be operated with a key, a code, or a remote control, depending on the type of lock. They are usually made of sturdy material, such as steel or brass, to ensure that they are resistant to attempts at breaking and entering. If you are looking for a lock for a door with a narrower door frame, it may be advisable to consider purchasing a narrow door lock.