Saeki Natural stone approx. 1000 - 3000grit, very hard to find now in very good quality.
Most of Saekis sold now in Japan is super soft and very very coarse even more many cheap Amakusa stones been sold as Saeki
Hard Black Saeki is the rarest and finest one and impossible to find now i Japan.
This is one of them and its very hard to find even in Japan now !
Super cool black color with sparkles, they are so clean that they can even be used for razors
Size: 245mm 105mm 30mm