messermeister chef's knife edge guard, 8 inch, black messermeister messermeister invented these hard-plastic edge guards recognized as not only the original edge protectors, but also as the finest and most functional. if your knives are not in a block or if you carry them around in knife luggage, edge guards are a must for any knife that you'd like to take care of. made of durable pvc. two blade entry notches. lifetime manufacturing warranty.