That's a fantastic set of stones for knives, but not quite complete for razors. The Beston 500 is a very aggressive cutter that should not be used on razors other than a real dog. Your 1200 should be fine for bevel setting and the 5K is good for initial polishing. From that point you can either go to pasted strops or a finer stone in the 8-12K range.
Make sure they're lapped! Flat enough for a knife isn't necessarily flat enough for a razor.
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