Our design met with your good taste. Since 1864 Coltellerie Sanelli manufactures knives and knives blocks for professionals using the same care and materials for cooking lovers. Researches of new technologies have contributed to establish our brand in the most demanding international markets. The Edgemaker sharpening system is simple to use simply follow the directions of the 4 step sharpening process. The Edgemaker sharpens all types of knives and is unsurpassed on serrated wavy and electric knifes. Rugged Portable Lightweight...Ready to Travel! Performs like a butcher s steel. Sharpens most knives in less than one minute. Touches up your knives in seconds.