Internally Threaded Surgical Steel Barbell - 16G - 00G Description 316L surgical steel internally threaded straight barbell. The barbell is available in a variety of gauge and length sizes. All barbells are completely nickel free. Item is sold individually. 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.