Kyocera Revolution 3-piece Ceramic Knife Set (Black Blade) Set includes 7-inch chef's knife, 5.5-inch santoku knife & 3-inch paring knife Made of Zirconia 206; Kyocera's advanced ceramic material Razor-sharp blade stays sharper longer, holding an edge 10 times longer than carbon steel blades Ceramic knives will not brown food, resistant to germs & acids Made in Japan