Rolling Sharpener Wooden Roller with Magnetic Angle 15182022 Degrees 1. The knife sharpener can flexibly meet the personalized requirements of knife sharpening. It is equipped with interchangeable grinding discs and magnetic angle supports. The 15-degree and 18-degree sharpening angles are suitable for Damascus steel or carbon steel fine-edged knives. The sharpening angle 20 degrees and 22 degrees are suitable for kitchen and outdoor knives, providing a sturdy blade and excellent sharpness. 2. The knife sharpening system combines diamond and ceramic discs to sharpen knives of any hardness, including kitchen knives, hard or soft steel, stainless steel and rust-proof steel, and outdoor knives. 3. Grinding gives your knives a sharp, long-lasting edge, ideal for powerful cutting tasks in the kitchen and other places. 4. This knife sharpener is different from traditional knife sharpeners. By attaching your knife to the magnetic base and using the wooden wheel to roll the sharpening disc back and forth, you can quickly achieve the desired effect on your knife. 5. Material: Main body walnut 6. Weight: about 638g