12G to 00G Internal Threaded Steel PVD Plated Straight Barbell Surgical Steel Tongue Ring - Sold Individually. Color - PVD Black, PVD Gold. Ball Size - 12mm (for 00G), 10mm (for 0G, 2G), 8mm (for 4G), 6mm (for 6G, 8G, 10G, 12G).
eBay