Myojin Naohito 240mm Gyuto SG2 Stainless Kasumi Teak New Old Stock It is great for flattening CAIGPCN It is great for flattening the bottoms of natural stones however we typically recommend the 400 Atoma for flattening natural stones It is faster and a little coarser with a slurry likewise it cuts slower with a slightly shallower (finer) scratch pattern with only water Hand ground stainless clad SG2 stainless powder metal fine convex ground by Myojin Naohito at his workshop Myojin Riki Sesakusho in Tosa on Shikoku island Naohito san became known to us here from his fabulous grinds and finishes on the Konosuke Fujiyama FM knives