This is an attachment made of black PVD coated SS316L Surgical Steel which is handcrafted for longevity and everyday wear. This attachment is internally threaded and will fit in both 16 Gauge and 18 Gauge flat back labret posts (sold separately). This polished and rounded edge cross design is suited for a variety of piercings including Ear, Tragus, Helix, Cartilage to Conch. This design can also make a fun addition to a lip piercing. This is a perfect addition to creating your new and stunning look. The cross attachment is 6mm in size.