Material: Titanium ASTM-F 136 Gauge: 18 g Preferred Piercing: Nostril. Ideal for healed piercings. It is a very cute and discreet piece for your nostril. One that parents don't dislike that much, haha. 📷 In photo: 18g / 7 mm (single length) / Gold mine anodized. Anodizing colors may vary slightly from photo and between pieces.