✦ Sold as Single ✦ Bend pin slightly before inserting for a secure fit (see photo for instruction) [SPECS] Material: Implant-Grade Titanium (ASTM F-136) Plating: Gold PVD over Implant-Grade Titanium Ball Size: 3mm, 4mm Bar Lengths: 6mm, 8mm Bar Thickness: 16G (1.2mm), 18G (1.0mm), 20G (0.8mm) Labret Flatback Width: 4mm Threadless Push-In System Gauge Guide: 16G — helix, tragus, conch, daith, septum, cartilage 18G — earlobe, cartilage, nostril 20G — earlobe, nostril Classic round ball stud in a warm gold tone. Gold PVD coating over implant-grade titanium gives you the look of solid gold with the strength and biocompatibility of titanium underneath. A staple for any gold-toned ear stack. Why you'll love it: Implant-grade titanium base — biocompatible for sensitive skin Gold PVD coating for a durable, long-lasting finish Flat back sits flush — comfortable enough for all-day and overnight wear Push-in threadless system — secure hold, easy changes Also available in: Silver (4 sizes) Just need the top? See our round ball threadless tops in gold, black & rose gold. Looking for surgical steel? See our surgical steel color version — same design at a lower price.