Chef’sChoice® Diamond Hone® Model #435 Sharpener
for Santoku/Asian Knives:
The manual sharpener designed specifically for Santoku and Asian style knives that really works! Precision roller angle guides, two-stage sharpening and 100% double-sided diamond abrasives ensure razor-sharp knives with no guesswork! Sharpens the full blade edge of Asian style knives to a perfect 15 degrees.  Safe for quality knives. Easy to use right- or left-handed. Made in the U.S.A.