Damascus is a mixture of 1095HC and 15N20 nickel carbon. You heat them up together and then fold the bar over and over to get the desired layers, ours are 300 layers. Then you burn the blade in acid, and it turns the nickel satin color and the high carbon turns blackish gray.How to handle knives: Please put oil on blade of knives after use. If you have a issue o with the item or you don't like it no worries return the item as it with in 10 days. Strongly Welcome anything you want us to make or customization in your items. Welcome for anything you want regarding knife making supplies. Anything just a message away. Send the message and we will list it for you. Cow Hide Leather Sheath For Free! This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Fixed Blade Knives\Modern Fixed Blade\Custom & Handmade". The seller is "houstonknivesseller" and is located in this country: US. This item can be shipped worldwide.