Features:Stainless Steel : These horseshoe earrings are hypoallergenic, lead-free and nickel-free. The construction of the horseshoe hoop earrings is corrosion resistant, bio-compatible and easy to clean.The bright polished finish of these horseshoe barbell is tarnish-resistant and non-fading.These circular barbell are designed and tested for quality. Get the most out of your piercing with these horseshoe earring setPiercing Style : These circular barbell set can be used for anti-tragus , cartilage (ear) , eyebrow , helix , labret (lip) , nose (nostril) , rook , tragus piercings.Secure & Comfortable : These circular barbell earrings are suitable for men, women, boys and girls. Specifications:Material: Stainless SteelMetal Color:steel/ Black/ Gold/ Color/ Rose GoldRod Thickness: Approx. 1.2mm/0.04inchInner Diameter: Approx.10mm/0.39inchBall Diameter: Approx.4mm/0.15inchCone: Approx.4x8mm/0.15x0.31inch Note:Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:2 Piece Nose Ring