This stunning and unique Tungsten Carbide wedding band design by Thorsten features sleek beveled edges a gorgeous blue and purple color changing inlay and a matching color-changing Alexandrite stone set into the ring. Engraving available! See Pictures for Details. Does Not Delay Order. Includes Thorsten Lifetime and Lifetime Sizing Warranty (excluding re-engraving). Available in an 8 mm width Tungsten Carbide is the newest and strongest metal for jewelry that does not scratch easily. Note inlay can be scratched. Comfort Fit domed interior band slides over the knuckle easier with less friction.