Thisfun, titaniumlabret featuresa bezel set 2.5mm clear cz gem that has a 5mm star dangling from it. The ASTM F-136 titanium labret is threadless for easyinstallation and comesin either 18G or 16G with a 5/16" (8mm) length. The flat disk back measures 4mm. Sold individually (2pcs - top and bottom).