This labret is made from ASTM F136 titanium and features a star shape that has a corrugated design. It is internally threaded and is size 16G. These are available in two length sizes: 1/4" (6mm) and 5/16" (8mm) length with a flat disk size of 3mm. Design measures about 5mm. Fun choice for your tragus or cartilage piercings! Sold individually.