Healthy Legend Deluxe 5 Pieces Black Blade Ceramic Kitchen Knife Set with 3", 4", 5", 6", and acrylic stand This set consist of a 3", 4", 5", 6" black mirror blade ceramic knives and a acrylic stand. They are all very sharp and sharper than most stainless steel knives. Holds its edge much longer than steel. Lasts many years without sharpening. Our BLACK mirror surface ceramic blade is 20% harder and stronger than the traditional white blade due to the additional heat treated process Stain and Rust Proof, Impervious to the food acids which discolor steel products. No Metallic Taste or Smell. Maintains the fresh taste of food. Won't brown fruits and vegetables.