Body Candy Solid 14k Yellow Gold 1.5mm Genuine Emerald Right Nose Stud Screw 20 Gauge 1/4" Gauge size 20 gauge; .8 millimeters Length 1/4 inch; 6 millimeters Nose stud with natural emerald in a prong setting Solid 14k yellow gold nose ring with polished finish Nose screw designed for use in right nostril