ChefsChoice 0250101 Model 250 3 Stage Diamond Hone Hybrid (Electric/Manual) Knife Sharpener in BlackCombining electric and manual stages, this hybrid sharpener is the ideal solution for improved cutting performance on 20-degree class knives. Using 100 percent diamonds, the hardest natural substance on earth, our patented abrasives sharpen faster and easier to create an ultra-sharp, longer-lasting edge. The final stage delivers a polished finish. Precision angle control ensures accurate sharpening throughout the entire blade length. This unit is designed to work with both straight-edge and serrated knives. WHY YOU NEED A KNIFE SHARPENER Over time, a knifes edge dulls under the stress of cutting. The overall performance can be significantly improved if sharpened and maintained correctly. HOW DO KNIFE SHARPENERS WORK Good sharpening systems shape the knife edge with a coarse abrasive and polish with a finer abrasive. Covered by the ChefsChoice Three-Year Limited Warranty.Incorporates both electric and manual stages to create an ultra-sharp 20-degree knife edgeUtilizing the hardest natural substance on earth, our proprietary diamond abrasives sharpen edges faster and easierStage 1-sharpens straight-edge knives using medium abrasivesStage 2-uses finer abrasives to hone the knife edgeFinal stage delivers a polished finish using ultra-fine abrasivesPrecision angle control ensures accurate sharpening throughout the entire blade length3-distinct facets set at different angles form a longer lasting, arch-shaped edgeSharpens straight edge and serrated knivesEngineered and assembled in the USACovered by the chefschoice 3-year limited warrantytestDimensionsProduct Depth (in.)3.38 inProduct Height (in.)3.75 inProduct Width (in.)8.88 inDetailsAbrasive MaterialDiamondCleaning InstructionsHand Wash OnlyColor/FinishBlackFeaturesNo Additional FeaturesGrit SizeVariableHub RequiredNo hub connection availableKitchen Product TypeKnife SharpenersPower OptionsPlug-inRemote AccessNo Remote AccessRequires Hub?No Hub RequiredAdditional ResourcesFrom the ManufacturerInstructions / AssemblyWarrantyUse and Care Manual