This elegant polished bevel edged Tungsten Carbide wedding band design by Thorsten features a center has a Black Ceramic inlay with grooves, giving it a watchband like appearance. 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.