200 grit - Course is best used for burr removal and sharpening. This stone will even sharpen your edges without using a file first. It's always a good idea to carry one in your pocket for a quick hand sharpen or to remove rock damage on the mountain.
400 grit - Medium is used for sharpening and polishing. The most commonly used diamond and a good in-between grit.
600 grit - Fine is best used for the polishing and finishing of your edges.
1000 grit is used when you desire an extra high polish finish. When you're concerned about hundredths of a second or really care about how the edges perform on the hardest snow surfaces.
