1000 GRIT IS A MUST HAVE IN ANY KNIFE SHARPENERS KIT! THE NANIWA PROFESSIONAL IS THE HIGHEST QUALITY SERIES THEY OFFER, AND IS MUCH HARDER THAN THE OTHER SERIES. THEY RESIST DISHING QUITE WELL, AND ARE THE STONES I USE IN THE SHOP.
1000 GRIT IS A MUST HAVE IN ANY KNIFE SHARPENERS KIT! THE NANIWA PROFESSIONAL IS THE HIGHEST QUALITY SERIES THEY OFFER, AND IS MUCH HARDER THAN THE OTHER SERIES. THEY RESIST DISHING QUITE WELL, AND ARE THE STONES I USE IN THE SHOP.