White opal and steel horseshoe. 1.2mm Gauge (US 16g). Available in 6-12mm internal diameter sizes. This circular barbell comes supplied with two screw on synthetic white opal balls. Just unscrew one side for easy fitting. Made from highly polished high quality surgical steel. Other balls and cones are available to be purchased separately. For use in piercings such as the septum, lip, tragus, helix, auricle, smiley.