Body Candy Steel 3mm Synthetic White Opal Internally Threaded Tragus Cartilage Earring 16 Gauge 1/4" Gauge size 16 gauge; 1.2 millimeters 1/4 inch; 6 millimeter barbell length 316L stainless steel internally threaded straight barbell for cartilage piercing Tragus earring features 3 millimeter white synthetic opal ball end Body jewelry stud earring for cartilage, tragus, and multiple piercings