One Titanium Internally Threaded Dome Labret Stud - Gold, Rose Gold & Silver Available! Select your desired color & length Measurements: 16g, 4mm diameter top, Length: 6mm, 8mm Material: TITANIUM 6AL-4VELI ASTM F-136 (gold, rose gold and black tops are PVD plated) EVERYTHING we sell is brand new, never worn.