Tungsten Carbide Wedding Band with 3 natural rubies 4mm This is a precision crafted ring from our line of Comfort Fit Tungsten Carbide Rings. This ring has the Iron Man logo engraved on the ring. The perfect gift for any fan. You can also have any quote engraved on the inside of the ring. This ring can be worn as a Wedding Ring or Promise Ring by men or women. Size: please message ring size at time of purchase. Have your finger sized for a comfort fit band at a local jeweler. They tend to run a half size larger than other rings. Please be sure as there are no exchanges.