Unique 8mm Domed Tungsten Carbide Ring w/ Blue Carbon Fiber Inlay (Sizes 4-15) 8mm Comfort Fit Cobalt Free Tungsten Carbide Band Accented with Eye-Catching Blue Carbon Fiber Inlay Shape: Domed; Finish: High Polish Not resizable but we are more than happy to exchange it for you. **Please verify your size before checking out**