SUPERSONIC | Tungsten Ring Yellow Gold GrooveTwo Tone Brushed Yellow Gold & Black Groove Tungsten Ring 8mm wideTungsten Carbide Rings are said to be classier, stylish and most important thing is the strength of the rings. As the metal is 10 times harder than gold, its amazing properties are loved by all and provides people with great strength when it is being shaped like rings. These rings will never bend or distort with time and force like any of the other metals that you choose for your rings.