The Eurus mokume gane cobalt band is both bold and exotic. These cobalt rings feature a mokume gane inlay which is derived from shakudo, a mixture of 14k gold and copper, and sterling silver. The inlay is surrounded by ultra strong cobalt chrome with a high polish finish. You are guaranteed to be noticed when you are wearing this ring. This ring is made to order so please allow 5 - 10 business days to manufacture and ship. Free Lifetime Warranty and Lifetime Sizing; pay no restocking fees or deductibles!