Black Tungsten Ring - Blue EMBR - 4MM

360° View Ring Design Notes 4MM Width Brushed Matte Finish High Polish Beveled Edges Smooth Comfort Fit Full Tungsten Ring with Cobalt Blue Interior Black Tungsten Cobalt Blue: The EMBR black tungsten band has been reimagined in jet black, engineered to be as strong as it is beautiful. Its strength is unmatched. It is about ten times harder than 18K gold and about four times harder than titanium. Tungsten also holds its shape forever, meaning the ring will not bend or wear down, truly making it timeless in its function and design. The process of creating the EMBR black tungsten band begins with taking a high-strength tungsten powder that’s combined with carbon to achieve its amazing strength. Each ring is then compression molded, sintered and polished, resulting in a remarkably smooth surface and an exquisite shine. The rich, luxurious shade of black tungsten carbide results from a PVD process, which deposits thin layers of color in a high temperature, vacuum environment. This proc