Rapid sharpening efficiency Powered by a robust pure copper motor and a durable corundum grinding wheel, this device restores tool sharpness in about 5 seconds for fast, effective results. Quiet and stable performance The pure copper motor runs quietly and smoothly, minimizing vibrations so you can use it without disturbing others, including at night. Multifunctional use Suitable for both fine and coarse grinding, and for sharpening scissors, meeting a variety of sharpening needs. Not suitable for ceramic knives or serrated knives. Enhanced safety features Antislip foot pads provide stable footing, while a builtin cooling fan and effective ventilation help prolong motor life and promote safe usage. Key specifications Motor: pure copper Grinding wheel: corundum Sharpening time: about 5 seconds to restore sharpness Applications: fine and coarse grinding; sharpening scissors; various sharpening tasks Not suitable for: ceramic knives; serrated knives Safety: antislip feet; cooling fan; ventilation Use scenarios In the kitchen: quick touchups of straightedged kitchen knives (nonceramic) and scissors to maintain clean cuts for everyday food prep. In the workshop: sharpening small hand tools and blades used for DIY tasks, crafts, or light woodworking. General household maintenance: routine sharpening of assorted nonceramic blades and tools to extend service life and performance.