Body Candy Solid 14k White Gold 2mm Black Cubic Zirconia Left Nose Stud Screw 20 Gauge 1/4" Gauge size 20 gauge; .8 millimeters Length 1/4 inch; 6 millimeters Nose stud with cubic zirconia in a prong setting Solid 14k white gold nose ring with polished finish Nose screw designed for use in left nostril