The Naniwa 8,000 Grit Nagura Stone is used to clean and generate mud on your stone. The nice thing about this nagura is that you know the grit, so you can match it to an 8K 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.

