Product Details18 Gauge 5/16 Vitrail CZ Gem Style Fan Implant Grade Titanium Push In Threadless Reversible Stud Earring You're sure to be a fan of this 18 gauge body jewelry. It's made with an 8mm ASTM F-136 implant grade titanium straight post. The front end features vitrail cubic zirconia gem ovals, fanned out around the center, and featuring a threadless design that makes insertion and removal a snap. The back end features a flower shape, for a charming change from the standard disc shape and you can wear it reversed for twice the style. You can even rock this jewelry in multiple piercings including tragus, helix, and some conch piercings. With such an endearing style and such thoughtful details, this flat back earring is one you'll fall in love with.Specifications18 Gauge (1mm), 5/16" (8mm), ASTM F136 Implant Grade Titanium, Threadless, Push In, Flat Back, Reversible, Cubic Zirconia