Efficient and fast sharpening: Achieve results in a short period of time with the Hatori Diamond Rolling Knife Sharpener. Safe and durable shell: The electric knife sharpener features a shell made of temperature wearresistant material for added safety and longevity. Versatile applications: In addition to sharpening knives, this roller sharpener can also sharpen scissors, pencil sharpeners, and small parts, making it practical. Fully automatic control system: The fully automatic control system provides strong safety performance by helping avoid misoperation during use. Use scenario: Home kitchen use for daily knife maintenance, keeping chef and utility knives sharp for cooking tasks. Use scenario: Workshop or studio applications for sharpening scissors and other small tools, supporting crafts and projects. Use scenario: Office, classroom, or school environment for sharpening pencil sharpeners and small parts, reducing downtime and downtimerelated frustration.