This line of Comfort Fit Domed Tungsten Wedding Bands are made from high grade cobalt-free Tungsten Carbide. It combines the color of Tungsten Carbide with a 2 mm wide band of rich solid white Platinum inlaid into the center of the band. This ring is available in 6 mm or 8 mm widths. Larson Jewelers is proud to present our Tungsten Carbide Ring line. Tungsten Carbide is the newest and strongest metal to be used in jewelry, ideal for men and women who are tired of rings that scratch easily. Truly Free Lifetime Sizing and Lifetime Warranty on all tungsten rings, no exchange|sizing fees, which are charged by our competitors.