Sapphire Tungsten and Titanium 8mm Etched Design with Black Center Band Comfort Fit Wedding Bands Rings for Men Patented Sapphire Tungsten is the next generation wedding band combining Tungsten Carbide with Genuine Sapphire and other High-Strength Alternative Metals Stylish two-tone matte black and silver men's wedding ring; Black interior Scratch Resistant and Shatter Resistant Comfort Fit Imported