This Package Comes With 4 Horseshoe Circular Barbell Rings With 5mm Black/Red & Blue/Green Spike Ends.Perfect For Healed Piercings And Can Be Used In Many Universal Piercing Locations. Perfect for Nose, Lip, and Ear Piercings.Each Ring Is 18G With A 1/2" (12 MM) Diameter.Made Of High-Quality 316L Surgical Steel.