Green Carbon Fiber Inlay Tungsten Carbide Ring. The Envy is as impeccable as the modern vehicle. It incorporates high quality tungsten carbide for strength, with a sealed black carbon fiber inlay, for a designer look. The ring is a perfect union of space age technology and designer beauty. Unlike other tungsten rings online, our Tungsten Forever™ bands are independently tested to guarantee they are the toughest of them all!
