Premium Steel Plate,make it very suitable for your handmade DIY knives and Damascus steel. Dimensions: 4 Inch by 2 Inch by 1/8 Inch Material: 15N20 Steel Package Contains 6 Plates Cut edges are de-burred and ready to use，Different of steel are combined to bring more possibilities. 15N20 is a bright and acid resistant metal commonly used for forging with high carbon steels like 1080, 1095, etc. to draw out the contrast in Damascus patterned billets for knives and swords. Its iron is alloyed with 0.88% carbon, 0.40% manganese, 2.0% nickel, and 0.10% phosphorus and silicon.