Almazan Series- Kitchen Knife Steel Length 18 cm. Total Length 31 cm. Steel Thickness 3 mm. Steel Surface Area 7-5 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. It is very suitable for both grinding and sharpening with the help of a table. Our Knives, which are Wonders of Design, are specially designed and balanced to prevent our chefs from tiring even if they work for long hours in the kitchen. The handle of the knife has been specially produced and is completely handcrafted to be extra smooth and not slip in the hand. We do not recommend washing this product, which is entirely handcrafted, in the dishwasher. You can use it safely for many years by hand washing.