The Grand Unified Grit Chart

Joined
Feb 28, 2015
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I'm honestly not sure, I've always had a challenge pinning down actual values for the EdgePro stones. I keep finding totally different values for them.

BORIDE Engineered Abrasives is the OEM for the standard Edge Pro stones, and they said their stones are FEPA-F graded. The Diamond Matrix stones are different, and Diemaker has provided their values.
 
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