Pietra affila coltelli giapponese Naniwa grana 1000

This Japanese stone from Naniwa has a medium grit of 1000, suitable for moderately dull kitchen knives. Soaking it in water before use enhances its sharpening effectiveness.

• The description claims that a higher grit value results in finer sharpening.
• The description suggests using a coarser stone first for severely dull knives.