... preset, fine ceramic rods provide a smooth, finished edge on already sharp knives.Ceramic and carbide grade. Includes ceramic rods, ... whose pre-set angles ensure the perfect edge every time. 3-4 strokes restores the edge.Features:• Material: Carbide & Ceramic• ... , Crossed Carbide Blades Provide Quick Edge Setting, Crossed Ceramic Rods Provide A Razor Sharp Edge, Pre-Set Sharpening Angles Provide ...