This labret ismade fromdurable ASTM F136 titanium and features a prong setred aurora cz gem and a heart shaped back.Itisinternally threaded and is size 16 gauge. These are available in two length sizes: 1/4" (6mm) and 5/16" (8mm) length with a flat, heart-shaped, disksize of 4mm. Gem size is 3mm. Strikingoption for your tragus or cartilage piercings! Sold individually.