Update on a 600 grit Alum. CBN wheel. I am by no means an expert on sharpening.If I could get my knifes to cut a roast beef almost paper thin then I am happy with the job.This is my own conclusion I sharpened 2 knives today a Damascus and one High Carbon.First I tried it dry But the high pitched noise was 2 loud.Must be the Alum.wheel. I never had this with any of my turning tools.I put just enough water in to cover the wheel about an inch. The noise stopped. Both knifes came to an edge the quickest I ever sharpened a knife.Both knifes needed an edge but not a regrind.The edge looked a little rough compared to the SG with fine graded.But as soon as I honed the knife it polished up like normal with a very sharp edge.I originally bought it for turning But now I will also use it for my good knifes But nothing low carbon.