The High Tech Redneck is made from Titanium, Elk Antler, Ebony and has a Duel Glow Inlay. This product comes with a free UV flashlight. A variety of glow colors are available. Please text or call me if you would like a different color. 541-414-7938 Millimeter varies depending on size of ring. Can be made in sizes 6-15. If a bigger size is needed pleas email me. All sales final. Please read my FAQ page before ordering.