LinkMejor French Door Lock for Double Doors, Adjustable, 3 Brass Keys, Key Differ

This LinkMejor double door security device is with cylinder and 3 keys for both indoor and outdoor use, it is dedicated for french door hardware for double doors. By made of diecasted metal, it provides extra security for your interior or exterior doors including bifold and closet doors. Cylinder and 3 keys are included for considerate baby proof, child proof, kid proof, dementia patient proof, burglar proof, toddler proof and pet proof when it is used for interior doors except the function of home safety as reinforcement lock and door barricader. For outdoor use, it is an additional security along with your normal knob set and handle set for your home safety and loved ones. Because of the good design, this double door latch lock is also applicable for D handle locking like a guard door lock. Please verify the application dimensions before ordering. Please also be aware this is a portable door lock and no drilling door lock for home safety, it is more suitable for home use instead of travel use.