diamond knife sharpener Diamond Knife Sharpener Knife Sharpener Detailed Product Description1.wheel-coarse and fine-sharpening design 2.Unique diamond wheel aim at sharpen hard ceramic knives Diamond Knife SharpenerUsing Instruction1.Place the knife sharpener on a stable surface when using. Complete one or both of the following steps depending on how blunt the blades is.Step 1: Course sharpening: ...