The Turquoise Appalachian is hand crafted out of Elk Antler, Exotic Ebony and has a dual Turquoise inlay. The Turquoise inlay on this design is different than any of my other Turquoise inlays, Each piece is placed individualy giveing it that unique look. A Titanium band is used for strength and durability. You can also send in your own antler or change antler species. Millimeter width varies depending on size of ring. Can be made in sizes 6-15 If a bigger or smaller size is needed please contact me (Stephen) 541-414-7938. All sales final.