Opal Septum Clicker 1.6mm (14 Gauge) 8mm Diameter 316L Surgical Steel Hinged top bar opening 1 Only supplied Healed piercings only This Septum Clicker is stunning,set with 11 synthetic opals that have a pearlescent effect that shimmers and reflects the light in a vibrant turquoisy blue / crystal AB colour. The photograph really does not do this piece justice!