Kyocera DS20S Manual Diamond Roll Sharpener for Diamond Slow Pull for Compatible with Ceramic and Metal Knives Knives, Whetstone, Re-sharpening,

[Just pull it towards you a few times] The weight of the knife makes it easy to restore its sharpness by simply pulling it towards you a few times. Size: Main unit/13.6 x 5.5 x 5.0 cm, Weight: 60 g, Country of origin: Japan You can easily sharpen your knife by simply placing the knife in the groove and slowly pulling it towards you several times. [Can also sharpen ceramic knives] Diamonds are harder than ceramics, so they can sharpen not only metal knives (stainless steel, steel, titanium) but also Kyocera ceramic knives. Materials: Grindstone: Industrial diamond, Body: ABS resin (heat resistant to 70°C) and polyacetal (heat resistant to 100°C), Other parts: Stainless steel and thermoplastic elastomer (heat resistant to 110°C) [Vertical grinding is possible, just like with conventional grinding wheels] The diamond grinding wheel rotates and grinds in the vertical direction, just like with conventional grinding wheels. Vertical grinding results in sharper blades that last longer than horizontal grinding. This sharpener uses a diamond whetstone, making it compatible with Kyocera ceramic knives.