General description This professional knife sharpener is a versatile 4 in 1 tool designed to easily and effectively sharpen dull knives and scissors, making it an essential accessory for any kitchen. Technical specifications Type: Manual knife sharpener Features: 4 in 1 functionality Base: Non-slip for stability Usage Place the knife in the sharpening slot and sharpen it in one direction. Repeat the operation 3-5 times for optimal results. Achieve a sharp blade in approximately three seconds, perfect for everyday use. Other information Ergonomic handle designed for comfortable grip for both left-handed and right-handed users. Suitable for various types of knives including kitchen knives, pocket knives, folding knives, hunting knives, and boning knives.