8MM frosted steel with black beveled design on a plated rose gold sleeve. High quality polished tungsten band for men or women. If you are looking for a ring that is scratch proof and forever keeps its shine, then our Tungsten Carbide rings are for you. Tungsten Carbide is ranked second hardest next to diamond on the Mohs scale, diamond being a 10 followed by Tungsten Carbide as 9.