Enhances the security of your sliding window with 4Pcs Window Replacement Sash, designs to provide locking mechanism for both vertical and horizontal sliding window For homeowners look to upgrades their window security, these sash for anyone seek updates to their home ’ s hardware Craft from iron, these sash feature type locking mechanism that ensures secure by engaging the checkrail of both the innermosts and outermost sashes With easy installation using the included screws, these sash not only enhances window security but also add modern touch to your home decoration For use in residential setting, these sash suitable for any room with sliding window, ensuring and security without compromising on styles, Manufacturer: Kaeltsyn