Efficient and fast sharpening: The Hatori Diamond Rolling Knife Sharpener delivers sharp edges quickly using diamond roller technology, providing reliable results in a short time. Safe and durable shell: The unit features a shell made of temperature wearresistant material, enhancing safety during use and extending durability under regular operation. Versatile applications: This roller sharpener can sharpen scissors, pencil sharpeners, and small parts in addition to knives, making it a practical tool for various tasks. Fully automatic control system: The fully automatic control system enhances safety by reducing the risk of misoperation and guides the sharpening process for consistent results. Use scenarios Kitchen use: Quickly refresh kitchen knives before meal prep to maintain clean cuts and reduce effort. Home workshop or craft area: Sharpen scissors and small parts to ensure precise cuts and smooth operation. Office or classroom setting: Keep pencil sharpeners and small tools ready for daily use.