KUCHANG Three Sharp Duo Knife Sharpener,ABS Green Resin 3 Stage Sharpening System,Professional Manual Knife Sharpener Three Stage Knife Sharpener, coarse and fine-sharpening design, coarse sharpening is for dull or blunt blades and need to run the knife 2-4 three times.The fine sharpening, smooths knife edge and adds more sharpness DESIGNED FOR SAFETY - The KUCHANG knife sharpener has been designed specifically to protect YOU! Unlike many other devices on the market, the KUCHANG sharpener has a large grip handle that allows you to effortlessly hold the knife sharpener steady during the sharpening process. Additionally, the feet are non-slip so the sharpener will not slide over the work bench either making this device extremely safe to use. TOUGH AND DURABLE - The KUCHANG knife sharpener is made of hard plastic so you can drop it as many times as you want, it won't break and will last for years. Attention:It is compatible with Steel and ceramic knives. You must force in one direction during using period. Material:ABS green resin+silicon carbide+ceramic ring;Length:8inches;Weight:6.2 OZ