Large Gauge Captive Ring with CZ Set Round Flat Cylinder Made of 316L surgical steel and available in Four different sizes. 12G(2mm) Ball-4mm 6G(4mm) Ball-6mm Diameter 1/2-12mm 2G(6mm) Ball-8mm Diameter 9/16 -14mm 0G(8mm) Ball-8mm This unique and beautiful steel color captive ring is bound to catch your attention. Black and gold colors are Iron plating. Shipping and Return We are a U.S. based seller and all of our products are shipped from the United States. You can return any product within 30 days from purchase date.