Almazan Series- Kitchen Knife Steel Length 18 cm. Total Length 31 cm. Almazan Series- Kitchen Knife Steel Length 17 cm. Total Length 30 cm. Almazan Series- Kitchen Knife Steel Length 16 cm. Total Length 28 cm. The Knife Steel is 4116 Stainless Steel, which is the most suitable for kitchen use and has the longest life. Steel Hardness Rating (HRC) is between 54-56.