Easy to Install & Easy to UnlockJust use a screwdriver to screw it on during installation, The design of the end hook will not automatically unlock due to external force pushing the door. The hook latch with simple unlock design allows you to unlock quickly and easily, without wasting time to looking for keys in an emergency. Variety applicationsOur door lock latch can be widely used on any kind of door or window, such as doors of the cabinet, barn, bedroom, also be capable of sliding doors, pocket doors, shutters, closets, wooden fences, garages, In one go for most places and uses. After-sales this hook lock latch for door is exquisite and durable, will not rust or break, meeting your daily needs of security and privacy protection. If you have any questions and issue, please feel free to . Heavy Duty Barn Door LockOur barn door lock is made of high quality and selected metal, which is resistant to rust effectively. And durable for years to come, and won't be out of shape. Keep Safe and Privacyour barn door latch is capable of preventing children and pets from sneaking out, or eating snacks from opening the door or cabinet door. Privacy and safe keeper, our latch locks can prevent the wind from opening the barn door.