Spike Flatback Stud Earring / Nosering - Black PVD Titanium

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Spike Flatback Stud Earring / Nosering - Black PVD Titanium. These Threadless Flatback Stud Earrings are made from Implant Grade Titanium TI-6AL-4V ELI ASTM F136 with 25g durable T itanium Pin designed to be practical and easy to use. Fitting all sizes of pins and bases in our threadless body jewelry line. Pin Size: 0.45mm x 4.7mm.Made from implant-grade titanium Ti-6AL-4V-ELI ASTM F136 and coated with Titanium Nitride (TiN) using the Physical Vapor Deposition (PVD) process.The PVD coating bonds at the atomic level to the titanium, creating a chemically inert and nickel-free surface that won’t flake, leach, or irritate the skin. The same technology is used in medical and aerospace applications for its safety and stability.Titanium Nitride forms an ultra-hard, scratch-resistant layer that becomes part of the metal itself — not just a surface coating. The result is a deep black finish that resists wear, fading, and corrosion for long-lasting beauty and performance. Show more