Black crystal disc internally threaded labret stud. 1.2mm gauge (US 16g). Bar lengths: 6mm - 10mm. Disc sizes: 2.5mm, 3mm, 4mm. Black internally threaded labret stud with a clear crystal gem disc. Made out of high quality medical grade titanium with a durable black PVD coating. Suitable for most people with metal allergies. The flat disc sits perfectly against the piercing giving a modern sleek look. Perfect for the nostril piercing, tragus, helix, special, flat special, flat triple and triple forward helix piercings. 3 different disc sizes make this piercing jewellery perfect to give your piercings the look you want.