Body Candy Stainless Steel Synthetic Opal Internally Threaded Belly Ring 3/8 and 7/16 Gauge size 14 gauge; 1.6 millimeters 7/16 inch; 11 millimeter barbell length Curved barbell made with durable 316L stainless steel Navel piercing with synthetic opal ends Internally threaded barbell fits externally threaded ball ends