The C-SHARP from Lansky is the perfect sharpening tool for on-the-go. Ceramic sharpening rods with a grit of 600 at angles of 17, 20, 25, and 30 degrees cover all application areas and are compatible with the sharpening angles of all other Lansky sharpening systems. Additionally, a ceramic sharpening rod with a grit of 800 allows for sharpening of serrated edges.