This combination sharpening stone is great for you to keep knife edges sharp. One side offers fine 3000 grit sharpening that helps you polishesand makes the edge sharp and the other super fine 6000 grit stone side helps you hones and fine tunes the edge.. Before using it you have to soak it.

Features:

• It includes the combination of two sharpening pieces, one fine and one super fine, 3000 grit and 6000 grit on the other side.
• Use the 3000 grit side to sharpen the toughest knives and use the 6000 grit side to finish polishing them.
• You have to soak it before using it