Concho, screw-button, 2 colors, silver and gold scalloped 2 cm in diameter. Easy to screw, no tools needed to put it. Used as decoration in the style badges, or can be used to decorate a book bag, jacket, leather Keychain, jewelry. When you have chosen the place, secure screw with a drop of glue for no longer have to check that it can't be removed. This product comes from the USA and is good. Check out my other listings, a model replica of the five hundred dollar "Indian" and "bison" is also available. If you purchase multiple, ask me the total price of the port, I try to calculate more accurate.