The Chef's Choice Manual Angle Select Knife Sharpener is perfect for Euro-American, santoku or serrated knives. It features a versatile 3-stage sharpening system which is engineered to restore and recreate both a 20 degree edge for European and American style knives and a 15 degree edge for Asian style knives. It will quickly and easily sharpen virtually all quality cutlery including straight edge kitchen and household knives as well as santoku, sports, pocket and serrated knives. This sharpener features separate sharpening and honing stages to provide razor sharp double bevel edges that are stronger and last longer. Can be used right or left-handed. Made in the USA.