How it works: Stage 1 - Preparation (High grade Diamond rods). This 'roughens' the knife edge to prepare the surface for sharpening.It also smooths any nicks and imperfections that could cause the blade to 'catch' during the sharpening stage(a common problem with lesser 1 and 2 stage pull through sharpeners which can cause damage to blades).Stage 2 - Sharpen (Hardened Tungsten Carbide Plates) - Now pull the blade through slot 2's precision angled tungsten carbide platesto create the perfect sharpened 'V' edge on even the bluntest knife.Stage 3 - Hone (Ceramic Stone Rods) - For final edge honing. It removes any burs and gently polishes the blade edges for a super sharp finish. Please note: This is a precision tool, designed specifically for use with straight edged steel knives and wide serrated knives (bread knives) only.Not suitable for scissors, micro-serrated knives and ceramic knives. We also recommend that it is not used on specialist Japanese knives, including the knife brand 'Global' - this is due to the much narrower blade angles of these knives.
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