PLEASE NOTE: This stud requires a flatback threadless post, sold separately. Shop flatback posts here. How To Install Threadless Jewelry Crafted with love and precision, NeoMetal's heart-shaped gem end is the perfect way to express your unique style. Each 4mm gem is secured in a delicate 3-prong setting, made from implant-certified titanium. These stunning ends are ready to adorn a variety of piercings, adding a touch of love to your look. Recommended Piercings: • Helix/Flat (aka "cartilage") • Earlobe • Faux Rook • Conch