24Kt Gold Pvd Titanium Threadless Marquise Trinity & Duo Bezel Round Gem Top With Dangle Rolo Chain. Manufactured From High Polish Implant Grade Titanium (Ti-6Al-4V-Eli Astm F136). To Secure The Inside Bar Or Base, Add A Slight Bend To The Pin By Simply Inserting The Pin Halfway And Pushing The Top To One Side. Fitting All Sizes Of Pins And Bases In The Invictus Threadless Body Jewelry Line. Connects To Two Threadless Bars - Sold separately