This bold, austere, and polished Tungsten Carbide Thorsten wedding band design is contrasted by raised center of Black Ceramic with a beautiful brush finish. Engraving available. See Pictures for Details. Does Not Delay Order. Available in an 8mm width. Tungsten Carbide is the newest and strongest metal for jewelry that does not scratch easily. Black Ceramic will not scratch and does not lose its color. Comfort Fit domed interior band slides over the knuckle easier with less friction.