Most electric sharpeners have an adjustable angle guide, with removable sharpening stones or ceramic plates to polish the knife using a desired grit. Although electric sharpeners can be a little more expensive than manual ones, they are very convenient to use, and produce a nice, sharp edge with minimal effort. An electric sharpener can be used to sharpen both straight and serrated knives, as long as they fit in the knife guides. .Electric sharpeners are one of the easiest ways to sharpen your knives. Some electric sharpeners also have a clamp to fix the knife blade in a set angle against the spinning wheel. Due to their hardness, electric sharpeners with diamond blades will sharpen your knives very fast, making it possible to over sharpen them in a short period of time. Many electric sharpeners have two or even three stages so that the same machine can be used for sharpening and honing the blade, going from coarse to fine grit in just one stroke.
These equipment include balls