This dazzling Carbon Fiber Tungsten Wedding Band has a Black Carbon Fiber Center. The bands width is 8 mm with rounded inside for a comfortable fitting. Tungsten is the hardest metal on earth, extremely scratch-resistant and the only metal that can be permanently polished. A contemporary ring to match your style.,METAL:Tungsten,ACTUAL METAL:Tungsten,WIDTH:8 mm,COLOR:White,PRODUCT TYPE:Wedding Ring,GENDER:Mens,MATERIAL:Others