From the triton collection, a subtle sense of self and style to match him perfectly, this tungsten carbide 9. 0mm band with a polished finish. Tungsten carbide is a true innovation in jewelry. Tungsten is virtually impossible to scratch and is much heavier and denser than gold. Metal gram weight varies based on the ring size selected. The inside of the band's shank is rounded for comfort. Custom made to fit your ring size. Tungsten rings can not be resized after purchase. Designed for a modern man on the go, styles in the triton collection are created from high-performance metals that are durable, comfortable and fashionable.