security: the sliding window lock is equipped with two key hole screws that offer greater safety for doors and and prevent children from accidentally falling and thieves penetrate. Interior sixth lock cylinder design: Compared to other window locks, this window lock has a hexagon lock cylinder design that increases the difficulty when unlocking and prevents it from unlocking by children. High quality material: The adjustable door and window lock consists of an aluminum alloy that is , cannot be used rusted and used repeatedly. Easy installation: Equipped with an hex key in two versions, it can be easily installed in a small room. You only have to attach it with a key without the need for additional tools or drilling. A wide range of application: Suitable for all types of sliding and sliding doors, the simple and stylish style is suitable for most families., Manufacturer: PokFhgur