This is a mens 4mm White Tungsten wedding band with black carbon fiber inlay. This is an ideal ring for the man who wants a thinner band but wants more style than just a plain metal band. And because it’s made from tungsten, it can be worn on a daily basis without showing wear and tear. And should your ring become scratched, chipped or simply not fit right anymore, the ring is covered by our Lifetime Replacement Guarantee. Whether you wear this for work, for play, or for a nice dinner out, your ring will continue to look new. It’s glossy look will continue for many years after you first put it on your finger.