WildKlass Jewelry 18 & 20GA 316L Surgical Steel Stud Nose Ring with Press Fit Gem (Sold Individually) Polished 316L Surgical Steel Simple Stud Nose Ring With Press Fit Cubic Zirconia. Lightweight and comfortable to wear. Material : 316L Stainless Steel Available in 18 and 20 GA with 13 colors. Exceptionally High Quality Jewelry!