Description:.Three-slot Sharpener, Ergonomically Designed for Comfort and Safety5 Seconds Speed Grinding, Sharpening Knife, Blunt Knife to Rebuild the Kitchen,Not Suitable for Sharpening Serrated Knives, Axes, Swords, Pedicure Knives, Slaughter Knives, Notched KnivesErgonomic Design is Comfortable and Safe, Avoid Accidental Scratches and Protect the Safety of HandsSpecification:Name: SharpenerProduct material: ABS+stainless steelGrinding wheel material: tungsten steel + ceramicSize: 21*5*5.7CMWeight: 150 gramsRange of use: fruit knife, kitchen knife, slicing knife, etc.Packing list:1*knife sharpenerNote：Not suitable for knives, ceramic knives, scissors, serrated knives, etc.If you have any questions, please feel free to contact us, we will answer you seriously, thank you