ConchFlat helix Internally threaded labret post Inari Organics 1.2mm – 3mm base BridgeInari Organics Internally threaded barbell post Inari Organics 1.6mm ConchFlat helix Internally threaded labret post Inari Organics 1.2mm – 4mm base ConchFlat helix Internally threaded labret post Inari Organics 1.2mm – 3mm base