Question about Victorinox Dual knife sharpener

The Victorinox dual knife sharpener is mainly designed for knives with a straight blade. It can also be used for serrated knives, as is the case with some Victorinox kitchen knives. However, it is not specifically designed for serrated knives. If you want to sharpen serrated knives, it might make sense to look for a sharpener specifically designed for this purpose.