* The revolutionary professional sharpener designed to sharpen both straight-edge and serrated knives to incredible sharpness. * Three-stage heavy duty patented sharpening process allows the user to select the type of ultra-sharp edge preferred (more "bite", ultra-fine, etc.) for the knifes intended use. * Produces an enhanced Trizor edge of ultimate sharpness and durability. * Precision plastic spring angle guides, in all three stages, guarantee perfect results every time - no guesswork. * 100% diamond abrasives in Stages 1 and 2. * Stage 1- 20°: Sharpening, use this stage for excessively damaged or dull knives or for maximum edge "bite". The diamond abrasives create the first edge to the blade. * Stage 2- 22.5°: Honing, use this stage for routine sharpening. Finer grit diamonds create a second bevel. * Stage 3- 25°: Strop/Polishing, this stage uses a patented material that creates the third bevel and polished microflute cutters for a super sharp edge. * Very fast and easy to use. * For quality kitchen and household knives, fine edge or serrated. * For sportsman and pocket knives. * High quality plastic housing. * Sharpens entire cutting edge. * Safe for quality knives - never detempers. * 3 year warranty.