JAPANESE TECHNOLOGY: Made from Kyocera's very own proprietary zirconia material produced in Japan for exceptional quality and beauty LONG-LASTING SHARPNESS: Ultra-sharp, pure advanced ceramic blades will maintain their edge up to 10x longer than steel blades WELL-BALANCED: Lightweight and easy to clean, these ceramic blades will not brown food and are non-corrosive FOR MEAL PREP: This 5”slicing knife features an an ergonomic handle that provides knuckle clearance and precise control. It can be used for cutting thin, clean slices of boneless meats, fruits and vegetables. STARTER SERIES: The Revolution Series is a great introduction to advanced ceramic knives made from Kyocera Utra-sharp 5 1/4-inch (13 cm) ceramic slicing knife with white blade; ideal for cutting meats as well as thin slices of fruits and vegetables Ceramic blade ground to microscopic precision by diamond wheels for rock-like edge with excellent sharpness retention Totally impervious to acids, juices, oils, salts or other elements; will never rust Lightweight, extremely balanced in the hand; ergonomic handle reduces fatigue during repetitive cutting Hand wash only; sharpen using Kyocera electric sharpener or mail to Kyocera for free sharpening