Introducing our Titanium Shell Stud! With an oceanic scent for a touch of whimsy, this internally threaded flat back stud is perfect for adding a playful and unique touch to any outfit. -Post material: ASTM F-136 implant-grade titaniumFinish: Gold = 18K-gold-tone PVD coating (vacuum-bonded, durable, won't easily fade); Silver = natural titanium, bare metal with no coating. -Gauge: 16G | 1.2mm -Post length: 8mm (Leave a note if you want 6mm) -Dimensions: 5.2mm Length x 6.1mm Width -Include: single item -Screw diameter: 0.8mm -Closure: internally threaded flat back Available to be customized post length 6mm,8mm,or 10mm. Leave an order note for the customization request (not extra cost). * Piercings are sold individually for layering purposes. Sold individually. Mix and match the pieces for a unique layered look.