This multipurpose manual sharpener meets the needs of professionals, chefs and serious cooks alike. The Chef’sChoice Model 460 is a 2 Stage sharpener, incorporating a pair of contoured roller guides to ensure precise and consistent angle control - stroke after stroke -as the knife is presented to the diamond sharpening elements. Both sides of the edge are simultaneously shaped and sharpened. This construction ensures that the edges are well formed and very sharp every time. The abrasives consist