Answers
Sep 07, 2022 - 03:10 AM
The Rigel set is not available any more, only the Sirius set. The Rigel set had a lower % of diamond in the bond of the finer grit stones. The higher % loading of the Sirius set works faster and can also provide the same scratch pattern as the lower % Rigel set by just doing lighter and fewer strokes. It effectively does the same job in less time.
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