The Ideal Blade For An Active Kitchen! / 6 Inch Blade / Black Handle These Kyocera Ergonomic Series knives offer a new way to cook. The ceramic blades are half the Weight of steel and are chemically inert, for a cleaner & healthier kitchen. Theyre moisture-resistant, tightly riveted in 3 places and retain their sharpness 10 times longer than standard steel knives. Request a copy of the manufacturers warranty,