The 16 gauge labret barbell is made from high polish grade 23 titanium (Ti 6Al-4V ELI ASTM F136) with internal threading. Only the gem end is removable. The fixed disc end has a 4mm diameter. Available with a clear cz only. These cannot be returned or exchanged if you select a custom anodized barbell color. Only the high polish (plain silver) is eligible for our return policy. Choose your size below.