Which grit CBN wheels should I buy?

If you reshape tools often or make some of your own tools on occasion, get the 80-grit wheel as your low grit wheel. If you don’t do that type of grinding much, then get the 180 grit for sharpening and the 350 grit for touching up your tools. This combination will leave a scary sharp edge on your tool and remove very little metal, leaving you with a tool that will last a lot longer. Use of our Wonder Slick Stick is suggested to help keep the wheel clean and prevent it from loading up with particles of metal.