1000 Jewels Hood: Mens 3.0ct Army Simulated Onyx USA Military Signet Ring 316 Stainless Steel, 3153 Rugged, handsome and durable Mens USA - US Army 316L Stainless Steel Ring Features a 3.0 carat Simulated Black Onyx bezel set solitaire. Made with solid Stainless Steel 316L. Made with solid 316L Surgical Stainless Steel so you know that it's made to last!