Moon shaped stud with dreamy Gilson Opal inlay. Perfect for helix, lobe, and tragus piercings.   Sold as a single.   * This piece comes with a 6.5mm back post. Additional posts with different lengths can be purchased as add-ons. SIZE & MATERIALS Composition:   14k yellow gold, opal Measurements: moon: 3 mm, threaded back post thickness: 16 gauge (1.2 mm), post length: 6.5 mm Closure:  internally threaded heart back  Read about piercing jewelry and closure systems . Collections Opal Jewelry - Opal Studs - Tragus Piercings - Helix Piercing - Lobe Piercing - Upper Lobe Piercing - Flat Piercing - 14k Gold Jewelry - Opal Piercings - Elegant Earrings