This heavy-duty and hammered finish of this Thorsten-designed dark and sexy Black Tungsten Carbide wedding band makes a bold statement about the strength of your love and can be worn as a wedding band or promise ring by men or women. Engraving available and Does Not Delay Order. Available in 6mm and 8mm widths for couples who want a matching set. Black Tungsten Carbide rings are scratch-resistant and very durable but can be scratched. Comfort Fit - domed interior band slides over the knuckle easier with less friction.