16g/18g Internally Threaded Flatback Post

Ordered the wrong size? Need to size up or down? Lost the back of your piercing? No worries - we've got your back! Our internally threaded post piercings are interchangeable with this spare bar. Please check that the product you have bought is interchangeable first. Please note that these back posts are only compatible with 925 Sterling Silver Base jewelry. If you have purchased 16G earrings, please choose 16G backings. If you have purchased 18G earrings, please choose 18G backings. Details: Sold individually Internally threaded  Compatible with Cor Bloom's 18G piercing studs Available in 3 sizes that you can choose from that best fit your personal ear anatomy. Choose from 4mm, 6mm, and 8mm flatback posts. Materials: 18K Gold/Rhodium Plated on hypoallergenic 925 Sterling Silver Measurements: 4mm, 6mm, 8mm Size: 18 Gauge (post thickness: 1.0mm) / 16 Gauge (post thickness: 1.2mm)  Non-refundable