Clear and light siam Swarovski crystals highlight this sparkling curve top down eyebrow ring. Sterling silver eyebrow piercing designed with a surgical steel barbell.. Specifications: 16 Gauge (1.6mm), 3/8" (10mm) Length, .925 Sterling Silver, 316L Surgical Grade Stainless Steel, Swarovski Crystal (Swarovski is a registered trademark of Swarovski AG). Silver 925 Top Down L. Siam Austrian Crystal Eyebrow Ring