The accusharp tri-stone knife sharpening system provides easy sharpening and honing for any straight-edge blade.Accusharps three-stone surfaces includes coarse, medium, and fine alumina-oxide stones.This 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.The tri-stone sharpener base can be mounted to most counter-tops for extra stability.Includes an angle guide to assist in maintaining a consistent angle while sharpening.Handle Description: RubberSharpener Material: Alumina-OxideSharpener Type: Coarse, Medium, Fine