SHARPAL 104N Professional Knife & Scissors Sharpener is a perfect sharpener for those who own both standard European/American style knives and Santoku & other Asian style knives of double beveled edge. Stage 1 uses two preset crossed carbide blades to put a quick edge on knives. Stage 2 uses ceramic blades to hone the fine edge. This sharpener can also be used for serrated blades. Only use stage 2 for serrations. The special shaped tungsten carbide blade is designed for scissors sharpening. The heavy duty, ergonomical handle with the rubber over-molded grip provides a stable and comfortable platform for sharpening all your knives, scissors.