Pierced Concho Materials: Natural Turquoise, Silver 925, Turquoise Please feel free to contact us. The back of the concho is a ring type. Diameter: 30 x 42mm Material: Silver 925 (Sterling Silver) Description: A 5mm cabochon-cut turquoise is set in the center. Other stones can also be added. Please feel free to consult with us. Each piece is hand-carved, an original concho. Can be used for leathercraft hardware, parts, hair ties, hair ornaments, wallet buttons, dog tags, etc. The unisex design can be used by both men and women. All the chisels used for the carved patterns are also original. This is a completely original, handmade pendant top. For those who ride Harley-Davidsons or those who have accessories like Goros necklaces and bead bracelets, this is a completely one-of-a-kind accessory! As it is a silver accessory, it is perfect for Indian jewelry, remaking and customizing wallets, leathercraft, etc. It is also recommended for those who like Larry Smith / Ken Kikuchi / Tady & King. We have silver chains that match this pendant top, so please feel free to contact us if you wish. Leather and Silver Act Material...Silver Made by Leather and Silver Act