These are a perfect addition to Septum, Helix, and Lobe piercings! Giving the illusion of a hoop style using a chain. One Side Threadless, One Side Fixed. Bar and Beads are manufactured from High Polish Implant Grade Titanium (Ti-6AL-4V-ELI ASTM F136). The single dangle chain is made from Stainless Steel. 16 gauge. 8mm length (bar). 2.5mm beads.