snippet: ?320 grit and 600 grit sharpener ?100% DeBeers diamonds metal bonded ?Lasts indefinitely ?Easy to carry only 4 inches long MMDIAMONDHONE ?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 for (Page 1)