Smart Looking with Blacks Reds Greens colors with the with the contrasting silver colors make this a smashing look. Protective Coating for everyday wear 8mm Comfort Fit with the smooth insides Strong and Durable Tungsten Ring Tungsten rings are virtually indestructible and scratch proof. They are polished with a diamond compound, resulting in a polish and shine that will last forever. Tungsten rings have the perfect combinations of super strength with style and comfort and are the most wear resistant rings available on the planet