Unique 6mm Black & Blue Carbon Fiber Inlay Faceted Tungsten Wedding Ring (US Sizes 4-15) Brand New Item! Great Anniversary Gift! Comfort Fit Cobalt Free 6mm Diamond Faceted Tungsten with Blue & Black Carbon Fiber Inlay Sleek Tungsten Carbide Ring - Not Resizable but we are more than happy to exchange it for you Shape: Domed; Finish: High Polish **Please verify your size before checking out**