Product DetailsWhite Synthetic Opal Golden ASTM F-136 Bar Flatback Earring Push In Top Put your look behind bars...of style with this elegant rectangle threadless end. This is a threadless top push in to be used with a push in post which is sold separately. This threadless pin top will fit threadless push in post sizes between 14 gauge -20 gauge. It features a gold tone rectangle charm set with white synthetic opal. Threadless tops are easy to use...just bend the charm's post slightly and insert it into the post for a secure fit. These can be used in multiple piercings including flatback earrings and cartilage jewelry like labrets. This threadless top will make sure you have all the angles covered. Post sold separately.SpecificationsASTM F-136 Implant Grade Titanium, Threadless Push In Top Only, Fits Post Sizes 14 Gauge to 20 Gauge, Synthetic Opal, Push In Posts Sold Separately