Kitchen Sharpener Fix Angle Sharpening Tool Knife Knifre Sharpner Wusthof Chef Knives

4 pieces suction cups for fixed bottom. Easy to operation. Easy to clean and convenient to collection. It has Scale bar, you can fix any angle as you like by the scale. Suitable for all steel knives with smooth blades such as a kitchen knife, chef knife, boning knife, fruit and so on.