It has never been easier to put a razor-sharp edge on a knife. Just three or four strokes with the Quick Edge Knife Sharpener will restore any blade. The secret is a precision V-shaped tungsten carbide sharpening element in the head of the sharpener. Designed with an ergonomic grip, finger guard, and thumb rest, the Quick Edge Knife Sharpener is both safe and comfortable to use right-handed or left-handed.