A great alternative to traditional sharpening steel, this manual knife sharpener has high-quality diamond and ceramic blades to ensure you achieve the best results possible. The two-stage sharpening will help you to get a razor-sharp blade enhancing your knive's performance. This is achieved through the use of a coarse cutting blade that will start to sharpen the dullest of blades, then the fine cutting edge will expertly hone your blade and create a straight, even edge.The sharpener is designed with an ergonomic handle that allows you to prevent movement, as well as reduce the risk of accidental cutting by placing you hand in a safe position.Note: Not suitable for serrated knives or dishwashers. Product features Dimensions 66(H)x 50(W)mm Material Diamond Steel Rockwell hardness rating 90-92° Weight 130g Colour Black Diamond and ceramic blades to give razor-sharp edge Unique sharpening wheel Non-slip rubber feet Two-stage sharpening Handwashing recommended Stage 1: Coarse sharpen