... to clean; Anti-corrosion; Anti-bacteri GTT 3pcs ceramic knife set with plastic holder, white/black blade, Ceramic Chef Knives ... years, no need to sharpen regularly.Ceramic Knife SpecificationAdvantages of GTT ceramic knife:SHARP, HEALTHY, FLEXIBLE, EFFICIENT, RUSTLESS-Never ... test, but please avoid dropping for your safety GTT 4pcs ceramic knife set with plastic holder, white/black blade, Ceramic Chef ...