Posted By: David WThe red brick I got definitely had some grit irregularity in the outer layer, I was worried that it might be the same all the way through (hard spots in the matrix that glazed and felt lumpy), but after some use and a few passes with the flattening stone it seems to have evened out nicely.
This stone has good feel and removes metal quickly, it's hard enough for careful leading edge work, but soft enough to mud up easily. The scratch pattern it leaves is a bit coarser than I expected, but easily polishes away with a few passes on a finer stone. It will replace an Amakusa J-Nat in my stone progression, due to its consistency across the face of the stone and its faster cutting speed.
I think I still prefer the 1k side of my King 1k/6k combo stone for feel and performance, but the King definitely wears faster and the size of the "brick" makes it a much more useful stone for regular or hard use.
I would probably buy another one of these if I ever managed to wear this one out.
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