Kyocera Revolution 4-piece Ceramic Knife Set, Red Set includes 3-inch Paring Knife, 4.5-inch Utility Knife, 5.5-inch Santoku Knife & 6-inch Chef's Knife Made of Zirconia 206; Kyocera's advanced ceramic 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, Lifetime Warranty