Efficient and fast sharpening: The Hatori Diamond Rolling Knife Sharpener delivers sharp, consistent results quickly using a diamond rolling action, reducing the number of passes needed to achieve an edge. Safe and durable shell: The sharpener is housed in a temperature wearresistant shell, providing protective durability and safer operation over time. Versatile applications: In addition to sharpening knives, it can sharpen scissors, pencil sharpeners, and small parts, making it a practical tool for kitchen, home, and workshop use. Fully automatic control system: The built in automatic control system enhances safety and minimizes input errors, guiding operation and preventing missteps during sharpening. Key attributes: Diamond rolling sharpening mechanism, temperature wearresistant housing, electric operation, designed for reliable performance across multiple blade types. Use scenarios: In the kitchen: quickly refresh a dull chef or utility knife before meal preparation. In the office or workshop: sharpen scissors and pencil sharpeners for precise, clean results. In small or craft tasks: touch up small blades or components used in hobbies or tools.