Package: You will receive 10PCS 18G internally threaded nose studs, 5 sizes clear CZ Flat back and screw desgin Easy put on and take off, saving time and easy to handle, give you comfortable wearing experience Size: Gauge: 18G(10 mm), Bar Length: 5/16"(8 mm); CZ Dia: 15 mm,2 mm,25 mm,3 mm,4 mm Color: Silver Multiple Uses: Multiple used as nose piercing jewelry, tragus piercing jewelry, helix earrings, conch helix piercing jewelry, lip rings, labret jewelry, medusa piercing jewelry, monroe piercing jewelry Material: The flatback nose piercing studs are made of high quality stainless steel and cubic zircon crystal gems High polished surface, comfortable to wear Clear cubic zirconia, shiny and bright Thoughtful Gift: A perfect nose stud present for women or men with piercings or an interest in body piercing jewelry 10PCS 18G internally threaded nose studs