Naniwa Flattening Stone Made in the USA Polishes and refines the edges

Polishes and refines the edges of fine knives and precision tools after they have been sharpened on coarser grits

The box is gray in color

They are non-porous and do not absorb liquid or clog with swarf

super market or any other other food prep space

Naniwa Flattening Stone Made in the USA Polishes and refines the edgesKeep your water stones flat Flattening your water stones is an important process for maintaining them so that they give optimal performance. This 220 grit Naniwa Flattening Stone is designed to work with Naniwa Water Stones but we've found it works well on any water stone. Soak the flattening stone before use, and soak or wet the water stone as appropriate. Place the water stone on your work surface or hold it in your hand and then rub the Naniwa