Search:

If the razor is pulling at all it probably needs more than a minor touchup. Either way you start with the least aggressive and work down. i would start with a 12K and see what happens. if it's too...

The only way you will know is to shave with it. if it shaves fine you need do nothing. if it doesn't or is lacking you hone commensurate with what it needs be it a touch-up or more.