King Will Duo Mens 10mm Black Matte Finish Tungsten Carbide Ring Blue Beveled Edge Wedding Band Classic design with genuine tungsten carbide, weighty and durable, excellent scratch resistant performance Exquisite craftsmanship on the smooth innerface with a stunning blue coated, which still provides awesomeness 10mm ring is suitable for men, ideal gift for wedding, engagement, anniversary and all occasions. King Will's jewelry box, save your giftwrap service fee, and help you store the ring much safer & longer. If you have any question, please post into "Customer Questions & Answers" at the bottom of this page.