The edge pro compact electric knife sharpener is made from bonded synthetics.The synthetics used guarantee longer wheel life, uniform cutting and minimum heat build up, so that de-tempering of your blade does not occur.The crossed ceramic rods create a fixed sharpening angle that lightly hones both sides of your blade at the same time; thus, putting a polished, razor-sharp cutting edge on your knife.Features a soft grip rubber handle and non slip rubber bottom.Type: Sharpener ToolHandle Description: SyntheticSharpener Material: CeramicSharpener Type: Coarse