14Kt Gold Threadless Labret with 3mm Flat Base. Made of Solid 14Kt Nickel-Free Gold. Made in the USA.  With a 3mm Base and in a variety of lengths, our solid gold Threadless Labret Bases are interchangeable with all of our 14Kt tops. Not just for lower lips anymore, these Labret Bases are the perfect way to complete your golden look!