首先6K比5K幼,磨削力5K当然大些,
另外,极妙6000目数很特别,同一目数,它比水性石更幼。
如Dua|/极妙1K,如效果发挥出来,约似水性石3K左右,
老外意見
The specified 'grit' number of these stones is correct, but the way these stones behave means that the grit number does not match how they work, as the abrasive is thoroughly used and will deliver a polish and edge equivalent to a to a much finer stone. As an example, the #1000 grit Dual Stone will deliver and edge equivalent to a stone in the #3000-5000 range, if the stone is allowed to work thoroughly.