The accusharp deluxe tri-stone knife sharpening system, featuring a course diamond-coated steel, allowing you to easily sharpen and hone any straight-edge blade with ease.Accusharps three stone surfaces include coarse diamond, medium alumina-oxide, and fine ceramic.This deluxe tri-stone system provides extra durability and safety on any surface with a rubber-grip base which prevents sliding while sharpening and honing your knives.Additionally, the deluxe tri-stone sharpener base can be mounted to most countertops for extra stability.Includes an angle guide to assist in maintaining a consistent angle while sharpening.Handle Description: RubberSharpener Material: Diamond, CeramicSharpener Type: Coarse, Medium, Fine