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Harmonic treatment gets micro-sharp edge
Read more: Harmonic treatment gets micro-sharp edgeAfter 25 years of using heat to temper steel, I learned that heat only tempers the outer third of the steel. This is why the sharpening of an edge doesn’t last as long with each sharpening. Recently, I discovered a new way of tempering the steel all to its core, thus improving its edge by 300%. This method is […]