An astrological token for all you spontaneous, courageous, and optimistic Aries out there. Sold as a single. SIZE & MATERIALS Composition: 14k yellow gold Measurements: Threaded back post thickness: 1.2 mm (16 gauge) Closure: internally threaded heart back Read about piercing jewelry and closure systems . Collections Gold Jewelry - Gold Piercings - Helix Earrings - Upper Lobe Piercing - Flat Piercing - Lobe Piercing - 14k Gold Jewelry - Elegant Earrings - Zodiac Jewelry - Aries Spinner Pendant