A dull knife not only ruins your cooking experience, it can also be dangerous. With the Work Sharp Culinary E5 Knife Sharpener, you'll get a professional-grade sharpener that will leave your knifes razor-sharp and ready for top performance. Specially designed for home use, the E5 is clean, quiet, and safe to use with every type of knife. Using exclusive MicroForge technology, that forges microscopic facets along the knife's cutting edge, and convenient one-touch programming, you'll get ultra-sharp knives at the touch of a button.