Probrico privacy lock is designed specifically for bathrooms, bedrooms, and other spaces that require privacy. You can lock it from the inside by turning the thumb knob. The privacy lock has no key but can be urgently unlocked from the outside to prevent children from locking themselves in the room. You can use a coin, screwdriver, or credit card corner to unlock the lock from the outside. The product is made of premium quality zinc alloy, the quality of electrifying is more stable, and it can stably pass the surface quality salt spray test standard 72H Compliant with ANSI Grade 3 standards. This product has 4 colours and can match various decoration styles. There are also equipped with two strike plates in the package, curved strike plates, and rectangular strike plates, which meet different needs.