Mirror Polished ceramic knife: 1.Size:3"-7" ... be worn and torn Black Blade Ceramic Knife,Kitchen Knife, Mirror Polished ceramic knife, All SizeOur GTT ceramics knife ... years, no need to sharpen regularly.Ceramic Knife SpecificationAdvantages of GTT ceramic knife:SHARP, HEALTHY, FLEXIBLE, EFFICIENT, ... for your safety. Black Blade Ceramic Knife,Kitchen Knife, Mirror Polished ceramic knife, All Size