The Hultafors Axe Grinding Stone is an efficient waterstone for easy and safe sharpening of your axe wherever you are The grinding stone is of good size and designed to give a steady grip protecting fingers and hands from cutting injuries The elegant leather case protects your grinding stone giving it a longer working life The rough side has a grain size of 180 and the fine side a grain size of 600 which is a good combination to regain sharpness to your axe To make your work easier we would recommend that you grind with water