✦ Sold as Single ✦ Bend pin slightly before inserting for a secure fit (see photo for instruction) [SPECS] Material: Implant-Grade Titanium (ASTM F-136) Stone: Genuine Natural Stone Stone Colors: Black Onyx, Blue Sand, Green Onyx, Opalite Pink, Red Onyx, Tiger Eye, Turquoise Stone Size: 4mm round Stone Setting: Bezel set Bar Thickness: 16G (1.2mm), 18G (1mm), 20G (0.8mm) Bar Lengths: 6mm, 8mm Labret Flatback Width: 4mm Gauge Guide: 16G — helix, tragus, conch, daith, septum, cartilage 18G — earlobe, cartilage, nostril 20G — earlobe, nostril Complete threadless labret stud with genuine natural stone top. Each stone has its own unique color and pattern — no two are exactly alike. The push-in design makes swapping tops easy without tools or trips to a piercer. Why you'll love it: Implant-grade titanium — hypoallergenic and biocompatible Real natural stone with one-of-a-kind character Threadless push-in system — secure fit, easy changes Flat back sits flush for all-day comfort Just need the top? Get our Natural Stone Top (top only, no bar). Prefer a marquise shape? See our Marquise Natural Stone Labret Stud.