Add a celestial touch to your stack with our Star Sparkle Flat Back Labret Stud. These earrings screw in from the front which makes them super easy to fit in to haRd to reach cartilage piercings such as the tragus! Size 3mm Stud. 1.2mm Wide, 8mm Long Materials Polished 316L Surgical Steel and cubic zirconia Fastening Type Internally threaded labret. Front screwing.