One Package includes pack of 18 nose stud setNose Stud Size - Thickness: 0.8mm (20g), Bar Length: 7mm; Ball Size: 2mm.Fastening: BallstudMade with 316L Surgical Stainless Steel and Round Cubic Zirconia, Provides Lasting Color Retention and Extremely Easy to Clean.High polished smooth surface metal is very comfortable and prevents damage and Irritation to your piercing, perfect for daily economical and practical purchasing experience.These nose piercing jewelry kit can be used as Nose rings hoop, Nose piercing studs, Nostril piercing rings hoop, Tragus cartilage earrings, Helix piercing hoop, CBR nose septum rings.Product Description20G Nose Rings Hoop Set Surgical Steel Nose Studs Nose Screw Nose Hoop Rings CZ Nose Piercing Jewelry for Women Men 18PCSProduct DescriptionSpecificationsBase Color: SilverPin length: 7 mmThickness: 20 gauge (0.8 mm)Cubic zirconia diameter: 2 mmMaterial: 316L Surgical Stainless Steel, Round Cubic ZirconiaNoteSmall parts. Not suitable for children under 3 years.Avoid friction and hard objects, avoid scratches.