INOVERA (LABEL) ABS Plastic Kitchen Suction Cup 2 Slot Knife Sharpener(Assorted, Multicoloured) Description Stuck with blunt knives and other tools. This is one of the most popular knife sharpeners on the market. It is with vacuum sucker design, safe and convenient. The knife sharpener is extremely simple to use. First, attach the vacuum suction cup foot on a smooth and stable surface. You now have both handsfree and can run your knife along the grinding wheels. The suction cup with its vacuum system provides optimal stability on all smooth surfaces. The two wheels - one for the course and one for fine grinding - are coated with diamond powder. First, you draw them through the coarse side and then through the fine side. The grinding angle is fixed - so it can't go wrong. It's that simple. Use the sharpener to sharpen your knife in an easy and convenient way and enjoy your kitchen life. Vacuum sucker design, more safe and convenient to sharpening with one hand. Two stages-coarse and fine-sharpening designs. Unique sharpening wheel design, very convenient to sharpen back and forth. Clean the knife sharpener with a non-abrasive brush. Best and convenient tool for sharpening your knife.