A thick black ceramic stripe across the center takes a simple 8. 0mm tungsten carbide ring and makes it extraordinary. When merged together, this contrasting mix of light and dark metals becomes a captivating vision. The inside of the band's shank is rounded for comfort. Tungsten carbide is a true innovation in jewelry. Tungsten is virtually impossible to scratch and is much heavier and denser than gold. Tungsten rings cannot 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.