The Labret with Marquise-Set Zirconia Top and Internally Threaded Titanium ASTM F-136 is a piece of jewelry that captures the eye with its sophisticated design. The marquise shape of the zirconia offers a touch of refinement and subtle shine, while the titanium gives this piece the strength and hypoallergenicity necessary for comfortable daily wear. The internal thread facilitates application and secure fit, making this labret a preferred choice for those who value elegance and quality.