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Take black magic marker and put a line of black on each side of the bevel down to the edge. Take the blade to your stone of choice and do two or three x strokes. Look at the bevel to see if all of...

I would go with the 1k. I've seen it said that a bevel can be set with a 4k but it takes longer. Since I have a 1k I figure I may as well take advantage of it. :)