This Diamond sharpener has 320 grit diamond dust on one side and 600 grit on the other. With these two different grits you are able to sharpen perfectly. This sharpener will last forever. Once you buy this stone you will not understand how you ever sharpened a knife without it.
320 grit and 600 grit sharpener
100% DeBeers diamonds metal bonded
Easy to carry only 4 inches long