♬Designs to provide locking mechanism for both vertical and horizontal sliding window. ♬Made from Stainless Steel, these sash feature type locking mechanism that ensures secure by engaging the checkrail of both the innermosts and outermost sashes. ♬For homeowners look to upgrades their window security, these sash for anyone seek updates to their home’s hardware. ♬These sash suitable for most room with sliding window. ♬Easy installation, these sash not only enhances window security but also add modern touch to your home decoration.