Lightweight, portable, and easy to use on either a flat surface or the edge of your countertop or table. Carbide blades and crossed ceramic rods feature pre-set sharpening angles that provide the proper sharpening angle every time. Provides 2 stage sharpening: carbide blades (coarse) for quick edge setting capabilities and the ceramic rods (Fine) are used for the final edge honing. Works to put a razor sharp edge on very dull or damaged blade or touch up already sharp blades.