316L Surgical Steel 20G 18G Nose Screw Rings Paved CZ Flower Nose Studs Screw Shaped Nostril Piercing Jewelry for Women and Men 1/4 Inch (6.5mm) Specifications: Piercing Thickness: 20 Gauge (0.8mm) & 18 Gauge (1.0mm) Material: 316L Surgical Steel & Cubic Zirconia Paved CZ Flower Size: 4mm Stud Length About: 1/4 Inch (6.5mm) Cubic Zirconia Color: Blue, Clear, Pink, Rainbow Package Includes: 1 Piece & 4 Pieces