Seconded. Truly excellent razor stone. I've shaved off of it a few times, and was impressed, under synthetic standards. Next thing to try is Kouseki 10k straight to translucent Ark. Even if that doesn't work, I can fall back to going to JNats as an intermediary.The Suehiro Kouseku 10k is a winner IMO, I’m currently using it a lot, then to a JNat, but it can finish a razor very well by itself.