... scopeWidely used for kitchen knives, fruit knives, ceramic knives etcProductFeature1, Three-stage design for coarse, medium and fine honing.2. Unique sharpening ... the blunt knife, do as the following one, two or three steps:Step one:Coarse grinding for a blunt knife.Place ... . Please refer to the first step about using method.Step three: Fine grinding. Always finish off with this step to ensure ...