Unisex 6mm Abalone Shell Inlay Tungsten Carbide Wedding Band (US Sizes 4 - 14) Brand New Item! Great Anniversary Gift! Comfort Fit Cobalt Free Unisex 6mm Abalone Shell Inlay Tungsten Carbide Band Sleek Tungsten Ring - Not Resizable but we are more than happy to exchange it for you. Shape: Flat with Step Down, Rounded Edges; Finish: Polished **Please verify your size before checking out**