Styleyourlook with ourPink CZ Ball Internally Threaded Titanium Nipple Barbells. Sold in pairs, these 14G barbells are available in lengths of 1/2"(12mm) or 5/8" (16mm) with 5mm or 6mm balls.Our ASTM F-136 Titanium Implant grade ensures both quality and safety, while thepink CZ gems add a touch of shine. Internally threaded for easy wear.