Earring Set: A set includes 3 pieces punk halloween cartilage earrings. Material: Crafted with 316L surgical steel, no nickel and lead. Size: These earrings boast a 20 gauge (0.8mm). The flat-back studs screw on easily and sit securely in place. Versatile: These cartilage earrings can be worn in a variety of piercings - including cartilage, helix, tragus, conch ect. Service: If you have any questions, please send us an email and we will provide answers and solutions for you