Kyocera Revolution Series 2-Piece Ceramic Knife Set: 5.5-inch Santoku Knife and a 4.5-inch Utility Knife, Red Handles with White BladesCeramic Knife Set Kyocera The 5. 5" Santoku is an all purpose knife for everyday slicing, dicing and mincing, the 4. 5" utility knife effortlessly glides through small vegetables and fruits Ceramic blades are made from Kyocera's proprietary zirconia material produced in Japan for exceptional quality and beauty Ultra sharp, pure advanced ceramic blades will maintain their edge up to 10x longer than steel blades Lightweight and easy to clean, the blades