This graduating marquise stone barbell earring comes in a gold tone and is perfect for cartilage ear piercings. It has a gauge of 16, and a length of 1.2mm. It has a surgical steel post. Cartilage earrings look great as helix, conch and tragus piercings. Suitable for these piercing placements: Eyebrow, Tongue, Rook PVD Plated: This piece features PVD Plating. PVD Plating provides a durable, waterproof coating that enhances the shine and lifespan of our waterproof pieces!