General description This 4 in 1 knife sharpener features a sleek design, ease of use, and precision sharpening for all knives and scissors. It includes a ceramic stone for sharpening scissors, carbide blades for dull knives, diamond rods for further sharpening, and ceramic rods for polishing knives to perfection. This tool is meticulously tested and is perfect for sharpening various blade types, including chef, utility, paring, and cleaver knives. Technical specifications 4 in 1 functionality 3-stage sharpening system Easy-grip handle suitable for both right- and left-handed users Usage 1st slot: Diamond sharpening rod repairs and straightens damaged blades 2nd slot: Sharpens to restore the V shape of the blade 3rd slot: Polishes for a clean finish 4th slot: Designed for sharpening scissors