Body Candy Solid 14k Yellow Gold 2mm Genuine Peridot Straight Fishtail Nose Stud Ring 20 Gauge 17mm Gauge size 20 gauge; .8 millimeters Length 11/16 inch; 17 millimeters Nose stud with natural peridot in a bezel setting Solid 14k yellow gold nose ring with polished finish Straight fishtail nose stud can be bent to fit your nostril size