JustMensRings Gold-Plated Tungsten Satin-Finish Wedding Band with Polished Edges | 8mm Size. All of our Tungsten Rings are Cobalt-Free 8mm Polished Gold Plated Comfort Fit Tungsten-Carbide Stamped for Authenticity Every Ring Comes with: 30-day Money Back Guarantee, Free Ground Shipping and FREE Ring Box.