WildKlass Jewelry Internal Threaded Barbell 316L Surgical Steel 16GA 14GA 12GA 10GA 8GA 6GA 4GA 2GA 0GA 00GA Implant Grade 316L Surgical Steel with convenient Internal threading. (Sold Individually) Internally Threaded Barbell with Balls Material : 316L Stainless Steel Available in 23 sizes (Sold Indvidually) Exceptionally High Quality Jewelry!