1. [Professional sharpener] The multi-function design of the 3-slot "V" shaped sharpener can sharpen various tools. The 3 grooves are made of tungsten alloy, ceramics and diamonds. High-quality ABS material provides maximum control and safety when grinding. Simple and fast, making kitchen knives sharper. 2. [Adjustable sharpener] The adjustable knob allows sharpening within the range of 14 - 24 ; Through rough grinding and fine grinding, it provides a professional angle for different types of tools to quickly sharpen to change the cutting edge. There are also grooves for cutting edges of scissors. It is very suitable for daily sharpening and professional use of knives. 3. [Easy to operate] The slot sharpener is very easy to use; Just put the blade into the appropriate slot, adjust the corresponding angle, and gently pull the blade (one-way pull) several times to quickly and effectively sharpen the knife and restore the sharpness and shape of the kitchen knife blade. Put the food at the most delicious time. 4. [Anti-skid ABS base] professional sharpener is constantly tested and modified; The combination of advanced technology and professional materials can significantly improve functionality and durability. Ergonomic handle and anti-skid ABS base ensure safety and control during use; Make sure you get perfect results every time you use it.