Type medium stone Abrasive material Aluminum oxide abrasive Al2O3 Binder High-temperature moiten ceramic bond Production method Pores ceramic method Color tone Cobalt blue Grain size #400 central particle size approx.30μ
#800 central particle size approx.14μ
#1200 central particle size approx.9.5μ
#2000 central particle size approx.6.7μ
Size #400 approx.205x75x25mm
Price #400 ¥3900（＋tax）
Application For general knives and high hardness steel knives
We release a new line on our web site.
It’s Aoi series, which the same type stones of Aoi 葵 (#1200 grit).
Adding cobalt to material and baked at high temperature, they have high toughness.
It make these stones enhance its performance.
They have good balance between free abrasive grain and holding force of stone’s surface.
This type stones are easy to use for all users (from beginner to professional )
We add #400, #800, #2000 grit stones to Aoi series.
We focus the medium stone which is used stone in most important process of sharpening.
Sharpening style (professional skills)