The NANIWA Chosera #400 is a high-end Japanese sharpening stone renowned for its fast cutting, precision, and excellent feel during sharpening. Its #400 grit is ideal for restoring a dull edge, reshaping a bevel, or preparing for finer sharpening on Japanese knives, scissors, and tools.

Compatible with carbon and stainless steels, it is used simply with a little water, without prolonged soaking. Delivered with a #600 dressing stone and a base, it offers a complete solution for effective and controlled sharpening.