Shapton Traditional Pro Series Ceramic Whetstone #1500 Grit 1500 Blue is excellent for carbon steel and a great solution for minor repairs and edge maintenance The right choice for sharpening Japanese kitchen knives such as chopping knives (ko-deba), sashimi knives (yanagi-ba), puffer fish knives (fugu-hiki) and vegetable knives (na-kiri) Includes quality instructions for sharpening and stone maintenance