[ MEASUREMENTS ] Gauge: 20G(0.8mm); Diameter: 8mm; Bar Length: 7mm , [MATERIAL ] High Quality 316L Surgical Stainless Steel Jewelry is Very Strong, Provides Lasting Color Retention, is Resistant to Tarnishing and Extremely Easy to Clean , [JEWELRY TYPE ] Dopted Simple Design, Perfect Wearing as Nose Rings Nose Studs , [QUALITY ] High Polished Smooth Surface and Hypoallergenic Metal Prevents Skin Damage and Makes Healing Process Comfortable and Painless , [ SATISFACTION ] GUARANTEE ] All Products Are Offered 90 Days Money Back or Exchange Guarantee