Kyocera Roll Sharpener Knife Sharpener Manual For Knives Fine Ceramic Whetstone Reciprocating back and forth approximately 10 times Rough sharpening

[Just go back and forth about 10 times] You can sharpen quickly and easily by just going back and forth about 10 times. You don't have to worry about getting your hands or the main unit dirty with sharpening chips. [Restores sharpness] The whetstone part has a grooved surface for rough sharpening and a flat surface for finishing, and by rotating, it can do everything from rough sharpening to finishing at one time. [For metal double-edged knives] *The roll sharpener is for double-edged knives made of metal (steel, stainless steel, etc.). Single-edged knives (deba knives, sashimi knives), knives with special blades (bread cutters, etc.), and ceramic knives cannot be sharpened. Size: Body/19.7 x 5.8 x 7.0cm, Weight: 80g, Country of Manufacture: Finland Materials: Grinding wheel/fine ceramics/polyacetal (heat resistant temperature: 80 degrees), body/glass fiber reinforced polyamide (heat resistant temperature: 80 degrees), cover/polyamide (heat resistant temperature: 80 degrees), anti-slip/silicone rubber (heat resistant temperature: 80 degrees)