It gives a fixed angle with 20-25 degree.
The angle can slightly vary depending on the length of the knife.
About Product
This tool is designed to simplify the adjustment of the angle between a whetstone and a knife. Attach it to the back of the knife, and sharpening becomes a breeze with a consistent angle, significantly reducing the difficulty of sharpening. The attaching section is made of resin, ensuring no damage to the blade during the sharpening process.