Internally threaded titanium prong set crystal cubic zirconia. These have a 16g thread pattern at the standard 0.9mm. Extended threading is 2.3-2.5mm in length. They WILL pair with any standard topless 16G (0.9mm thread) post, barbell etc and are easier to insert. They fit with
Take note that 0.9mm thread pattern DOES fit with SOME 18G internal posts. You must know the thread pattern of the post though as they are not standard. Worldwide manufactures make 18G threading in either a 0.8mm or a 0.9mm thread pattern. We specify on our website what the thread pattern is for our 18G whenever possible.