Wakasa Japanese fine grit natural sharpening stone 1 lb 15.7 oz (893.6 g)

  Wakasa Awasedo Japanese Natural Sharpening Stone lb 15.7 oz (893.6 g) 157mmX60-95mmX25 #6000 to #10000 Grit For final sharpening Razor or High Carbon steel blade Cutlery Hardness--------8.6 It raises very good amount of black slurry quickly, so it does not not need Wakasa Tomo Nagura or a devise that generates slurry. It looks not too hard and not too soft. It is ideal hardness to me. (Scale; 1 to 10, 1-3 is very soft muddy rough grit whetstone 3-6 is soft medium grit whetstone, 6-8 is hard medium grit whetstone; 8-10 is fine grit whetstone) Particle Size------- 9.0 (Scale; 1 to 10, 1-3 give deep scratch marks to the steel, 3-5 is delete the 1-3 scratches, 5-8 makes the steel cloudy, 8-10 makes the steel semi-mirror finish or mirror finish) It makes my blue II steel blade knife Jigane became shiny bright silver color to semi-mirror finish, and Hagane became mirror finish. Wakasa mine is located on Fukui Prefecture, however, it is very close by the border of Kyoto where is the world