Anodizing is frequently used in the development of body jewelry to promote a decorative and corrosion resistant anodic oxide finish. The Technique of anodizing is a process used to increase the natural oxide layer of a metal part. Surgical Stainless Steel 316L is anodized to create different colors including black. Although anodized surgical steel is commonly used it is not known to be durable and can require a protective coating to enhance its durability. For a longer lasting finish Titanium Grade 23 offers more advantages.