Sniperborg The angles in question for any sharpening jig, whether my home made version or one of the commercial types, are really the angles on the gouge or other tool. All require some experimentation. For example, for a typical bowl gouge with a 45* bevel, you would make a 45* holder, that is the dowel projects at 45*. This does not determine the grind angle. That is determined by the distance the tip protrudes from the holder and the distance that the pivot is from the wheel. Basically you play. Start with the tip protruding about 2" and the pivot back about 7". With the grinder OFF, check the angle that the tool makes with the wheel. Adjust until you get the angle you desire, turn the grinder on and give it a try. When you get the settings you like for tool X, write them down or make stop blocks or whatever. I like an 80 grit wheel. With jigs, 100 is fine. Anything else is hard to feel when sharpening. On my grinder I have an 80 grit aluminum oxide for sharpening and a 36 grit for shaping. Hope it helps.