Men's 0.07ct Amethyst Solitaire Wedding Band, February Birthstone Tungsten Ring, Black Ion Plated High Polished Beveled Edge 2-Tone Tungsten Carbide Anniversary Ring All of our Tungsten Rings are Comfort Fit and true to size with Tungsten Carbide Stamp Hypoallergenic and Cobalt Free Tungsten Carbide Ring Scratch and Wear Resistant. Made from Solid Tungsten Carbide Material Perfect for Wedding and Anniversary Rings