This pretty, titaniumlabret featuresa bezel set 2.5mmrainbow aurora cz gem that has a 11mmlightning bolt dangling from it. The rose gold pvd on ASTM F-136 titanium labret is threadless for easyinstallation andremoval and comes in either 18G or 16G with a 5/16" (8mm) length. The back measures 4mm with a flat disk design. Sold individually (2pcs - top and bottom).