Knife Diamond Sharpeners provides extraordinary sharpness. It is simple and accurate. It features includes triple diamond plated design, sharpens serrated and fine edge blades, fish hook sharpener and retractable sharpening surface. It is lightweight, easy to carry and easy to use. A Global knife maintains the sharpness for long time. The diamond coated sharpening steel restore the edge quickly and easily. Down-and-back swiping motion through 8 diamond-coated steel alloy fingers replicates the swipe of chef made across a traditional sharpener. It quickly returns the edge to knife blades and produces an edge on knife with six to ten strokes. It has non slip sanitary black plastic handle. Multistage process removes less steel from the edge than other sharpening methods.