Ergonomic design Our pencil sharpener has a comfortable handle that can be gripped to the maximum and is suitable for left-handed and right-handed users. The sturdy, non-slip rubber base, with high stability and safety, can be used on any flat surface in the kitchen. Easy to useSmall and convenient Just put the blade into the sharpened notch, then gently pull the knife several times, and the dull knife will be restored after a few seconds. Wide compatibility The sturdy construction can sharpen any type of knife, including chef's knife , utility knife, paring knife, knife sharpener, planer, boning knife, boning knife and meat cleaver, but not suitable for serrated blades (like bread knives). General Kitchen Knife Sharpener Professional knife sharpener is suitable for most kitchen knives: chef knives, santoku knives, sushi knives, knives, outdoor knives, fruit knives, steel knives, diamond knives, tungsten steel knives, steak knives, hunting knives, ceramic knives. 2.Ergonomic design Our pencil sharpener has a comfortable handle that can be gripped at maximum and is suitable for left-handed and right-handed people. The sturdy and non-slip rubber base, with high stability and safety, can be used on any flat surface in the kitchen. 3.Easy to useSmall and convenient Just put on the blade into the sharpened notch, then gently pull the knife several times, and the dull knife will be restored after a few seconds. 4.Wide compatibility The sturdy construction can sharpen any type of knife, including chef's knife, utility knife, paring knife, knife sharpener, planer, boning knife, boning knife and meat cleaver, but not suitable for serrated blades (such as knives bread). Note: The data is manual measurement, please allow 1-3cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind shall prevail.