[Easy to Operate]:This window latch locks is designed for easy to operate,just slide open and close left and right [Enhanced Security]:The window sash locks is easy to assemble and provides good additional security simply switch to secure the handle to the frame,upgrading the security of your doors and casement [Easy Installation]:The sliding window locks comes with fixing screws and knock caps,making it easy to install without professional help [Premium Material]:The window anti steal lock for buckle made from sturdy aluminum alloy,this lock ensures long time performance [Wide Application]:The window sash jammer lock is suitable for the doors,casement,bathroom doors or balcony casement,etc