Body Candy Solid 14k Yellow Gold 3mm Champagne Cubic Zirconia Bioplast Tragus Earring Stud 16 Gauge 5/16" Gauge 16 gauge; 1.2 millimeters Length 5/16 inch; 8 millimeters 14k gold setting and comfortable bioplast post Tragus piercing can also be used for cartilage earring