The Naniwa 400 Grit Nagura Stone is used to clean your stone and generate mud on your stone. The nice thing about this nagura is since you know the grit you can match it to a 400 grit sharpening stone so the mud is the same grit.
2-3/8" x 1-3/16" x 3/4" (60mm x 30mm x 20mm). Made in Japan.
2-3/8" x 1-3/16" x 3/4" (60mm x 30mm x 20mm). Made in Japan.
