Set: 1pcs butterfly earring piercing jewelry.  Sie: 16G (1.2 mm);The inside diameter of 10 mm. Material: Made of 316L stainless stee;No nickel and lead. Multi purpose: It can be used as nose rings,helix earring hoop,forward helix earring,rook earrings,daith earrings,tragus earrings hoop, cartilage earring.  Service: If you have any questions, please send us an email and we will provide answers and solutions for you.