This cylindrical diamond shaping wheel is great.When you need to 'dress' the inside of a larger hole, this will do the trick.I needed to elongate one end of the hole cut with a diamond hole saw.
This worked fantastically.It kept cool and did not clog.When done, simply used compressed air to blow the loose debris off the stone and it looks as good as new.The diamond grit is thick and evenly coated. I expect this stone to last a very long time.
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