Ruby Ceramic Sharpening Stones are used for finishing sharpening knives using Edge Pro compatible knife sharpeners (Hapstone, TSProf, etc). The stone has an extremely high hardness rating.
Ruby Ceramic scarcely wears over time. Extra-fine ceramic stones provide a super finish for the cutting edge.
Ruby Ceramic stones can be used without lubricants. Alternatively, oil or water can be used as lubricant.
Ruby Ceramic stones do not have any minor defects.
Ruby Ceramic stones do not require any preparations. It is naturally lapped to ultra-fine grit. This is a big advantage because the difficulty of lapping Ceramic is very high.