ceramic knife set 1) Zirconium Oxide(ZrO2) 2) FDA/LFGB certification 3) Anti-corrosion,anti-bacterial ... pcs ceramic knife setPromotional zirconia ceramic knife setItem codeAUSCK0222Blade materialZirconium Oxide(ZrO2)Blade size3"/4"5"6"7"8"for bladeHandle ... μm<0.6Thermal conductivityW/(m .k)2.5Products Feature: Zirconium Oxide(ZrO2),durable and healthy,Customized size, shape, design welcomed,Designed ...