I have re-assessed my situation. There is nothing wrong with either naniwa 4k or 8k or 10k. I set the bevel successfully with the 1K. (I used to set the bevel on the 4k prior to buying 1-6 combo.) So as of today, I will follow logic. If after bevel setting I dull it on the 4k, I need to examine what I've done wrong., the natural progression to the clay based water stone 6K is nice and I declare straight up it's a smooth stone and gives a shavable edge. So to the 8k, I will use as little pressure as one can, then same on the 10 k. What has been happening is after the 6 ot 7 on ther 8k my edge vanishes. I do believe I have tried to think of it as needing to create an edge, not simply polish one, so my pressure is way to hard. I am not due to shave with 'this' razor for 3 days, so if I have success. with the softly softly approach, all good. If the best I can do is a 6k edge, then would it be wise to lead with the spine on the 8, 10k? (I've watched murray carter, that's how stuffed up I am)? Cheers Bob