Bellemain 2-stage 2-direction Diamond Knife Sharpener for Professionals and Home Chefs BESTSELLING - 2 Channel Diamond-Disk Sharpener Creates Perfection! Simply slide blade either direction through channel 1 to restore ideal no-nick shape, then through channel 2 for pro-chef sharpness WHY DIAMOND ? -It's Superior to Carbide: Pro's won't risk quality knives on carbide. It tears away hard metal exterior leaving soft and chipped edges. Diamond disk, smooths rough edges, restores sharpness NO-SKILL REQUIRED: Whet stones require skill, carbide sharpeners damage knives. Grinders are pricey. Even beginners love how Bellemain's diamond-disc sharpener easily restores blades in seconds SHARPEN WITHOUT FEAR - Dull knives are an accident waiting to happen. Bellemain's nonslip base increases stability, lowers risk, while durable handle secures plus keeps fingers out of the way 2 YEAR MONEY-BACK GUARANTEE- You'll love how stylish it looks on your counter, tucks away into tiny spaces and quickly restore razor sharp edges like a pro, or your money back.