24Kt Gold PVD Titanium Internally Threaded Double Flare Basic Tunnel. Sold by piece. 8mm wearable surfaceTitanium tunnels are a durable & light-weight material great for everyday & long term wear.Titanium styles feature a polished & sleek finish making them perfect for anodizing in a variety of colors for customization.The internally threaded double flare allows for an irritation free experience during insertion & removal with the threaded end screwing off. The double ended flares provide a secure fit and help keep the jewelry in place. Made from implant-grade titanium Ti-6AL-4V-ELI ASTM F136 and coated with 24K gold through the Physical Vapor Deposition (PVD) process.The PVD process fuses pure gold to the titanium at the atomic level, creating a nickel-free, chemically stable surface that won’t peel, tarnish, or react with the skin. It’s safe for long-term wear and ideal for healed piercings.