Push-in Earrings:You will get 8pcs different styles of gold threadless flat back nose studs(no in pairs),1pc insertion pin,6pc curved Piercing Taper.Versatile styles available for daily customization and replacement. Sizes:Gauge 16G (1.2mm).Bar Length:8mm,top round shiny CZ is 2/3/4mm. Hypoallergenic:Flatback helix piercings made of 321L surgical steel,anti-corrsion (high polished smooth surface)，no fading, no distortion,great for sensitive skin. Easy to Wear:Two different shapes of pins help you wear different parts efficiently,such as Lip Cartilage Helix Tragus,etc.Insert stud earrings are easy to put in/take out. Using: Threadless Earrings can be used as cartilage earring,nose studs,helix earrings,tragus/conch medusa piercing jewelry,lip rings,labret jewelry and more.