This very wide domed style wedding band from our Tungsten Rings line is made from jewelry grade cobaltfree Black Tungsten Carbide. This band is made in the traditional domed design with a finely polished like finish in a very wide style for those extra wide ring lovers. This style comes in 2mm, 4mm, 6mm, 8mm, 10mm, 12mm and is now available in 20mm for those who love extra wide rings. This ring can be worn as a Wedding Band or Promise Ring. Thorsten is proud to present our extrawide Tungsten Carbide Rings line. Tungsten Carbide is the strongest metal to be used in jewelry, ideal for men and women who are tired of rings that scratch easily. While supplies last.