Chef'sChoice® Diamond Hone® Two Stage #450:
The manual knife sharpener that really works! Precision angle guides, two-stage sharpening and 100% diamond abrasives ensure razor-sharp knives with no guesswork! Sharpens the full blade edge of fine edge (straightedge) commercial kitchen knives. Compact for easy storage. Perfect for touch-ups in the commercial kitchen. Dishwasher safe. Easy to use right or left-handed. Made in the U.S.A.