16 Gauge(1.2mm) Internally Threaded Surgical Steel Horseshoe Ring Circular Barbell - Sold in Pairs Material: Surgical Steel Bar Thickness: 16 Gauge (1.2mm) 3mm Balls on the 5/16", 4mm balls on the 3/8",7/16" & 1/2" Internally Threaded Sold In Pairs You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!