The Avid Outdoorsman is hand machined out of a special grade titanium, that is strong but can be cut off in the case of an emergency. This design also incorporates a an offset line of titanium that is part of the band itself. The inlays are specially treated A Grade Elk Antler. The exact same piece is used and lined up perfectly, complimenting each inlay. Millimeter width varies depending on size of ring. Can be made in sizes 6-15. If a bigger or smaller size is needed please call or text me. 541-414-7938 All sales final.