This ZWILLING 4-Stage Pull Through Knife Sharpener features German-engineered design that utilizes course and fine ceramic grits to let you manually maintain the sharp cutting edge of Western and/or Asian-style cutlery. Manual 4-slot sharpener is suited for Western- and Asian-style knives. Sharpener comes with a unique safety grip that ensures fingers stay safely away from the knife blade while sharpening. Handle is ergonomically contoured to maximize hand comfort. Rubberized, non-slip bottom helps keep sharpener stable and firmly in place during use. Suitable for left or right handed use