The overall dimension of the casement stay is 10.7” which may be the ideal size for your windows. It is important to add this accessory to your windows to keep their lustre alive. The heavy winds will not harm the windows when you have secured them with this stay. The lustre of the stay stays the same and you do not need to maintain it much. The different patinas that are available for this stay make you choose one that goes with your decor.