... -25days after confirm your order Characteristic and advantage:Blade make from Zirconium Oxide , has a hardness of 8.2mohs(VS.steel ... the food ,no metallic taste and smell.Anti-corrasion, never rust ,keep the food original color and flavour ,environment friendly.Lightweight ... scabbard after you finished using the knife,keep it away from the children .For its special material and character,pleases do ...