Pair of Solid Titanium Circular Barbell w/Balls Horseshoe Earrings 12G, 10G, 8 Gauge,  7/16", 1/2" and 5/8" Diameters, 5mm and 6mm Balls Available. All of our Circular Barbells are Made of High Quality Titanium. Please Remember to Select the Gauge, Diameter, Ball Size and Color from the Pull Down Menus.