1 Shorter sharpening time.

2 Both blades of the knife can be calibrated simultaneously.

3 Adjust the blade and extend the life of the hand knife.

4 Suitable for a variety of knife types including small knife or large knife use.

5 Choose fixed or handheld mode.

6 Handheld mode Can be left or right hand.

7 Safe and hygienic mechanical spring structure.

8 Easy to clean and maintain