Features: 1. Single-track V-shaped knife grinder: V-shaped knife grinder made of tungsten steel, which fully fits the knife body, and sharpens the knife powerful and fast. 2. Ergonomic Handle: Handle activates and deactivates secure suctions so you can keep them in place or move them anywhere else needed. 3. Sucker sharpening stones can also be used to hang aprons and pull windows 4. Consistent Sharpening Angle: The sharpener is pre-set at 20° to give a precise edge consistently every time. Specifications: Name: Suction Cup Sharpener Sharpening material: tungsten steel Main material: plastic ABS+PVC suction cup base Size: 63mm* 61mm color: red Not applicable: ceramic knives, serrated knives, scissors Application: fruit knives, kitchen knives, slicing knives, etc. Package Included 1 PC sharpener with double blister packaging Notes 1. The suction cup must not have air or the air intake is not strong, which is easy to cut. 2. When using, pay attention to protecting the tungsten steel to prevent falling from a height. 3. Keep away from children.