Traditional Tungsten Ring TUR32 The width of this tungsten band measures 7mm. This ring is a Comfort Fit, which makes this ring a pleasure to wear. Tungsten Carbide is a very hard, dense metal, twice as hard as steel. It always remains polished and is scratch resistant. Available from ring sizes 5 to 15. Rings are supplied in a black ring box with a white pad. The ring box is supplied in a sleeve, already labeled with the product number and suggested retail price, for your convenience.