It took about 3, 15 minute session to get it sharp. First I would use the med. sticks then switch to fine. about 60 strokes on each side (point then flat) of each stick. I then stropped it. I do not have any diamond sticks however it might be a good investment if I am going to continue sharpening s30v. It was way easier to get my 110 with 420HC this sharp.