Opal labret stud. 316L Surgical Steel labret stud with synthetic blue opal ball. 1.2mm Gauge (US 16g). Available in 6mm - 14mm lengths. Available with 3mm or 4mm ball. The ball is an externally threaded screw fit ball which can be removed for easy fitting. Really beautiful unusual body jewellery. Suitable for use in piercings such as the Labret , Lip Piercing, Monroe Piercing, Snakebites Piercing and Ear Piercings such as the Tragus, Helix and Auricle.