This labret ismade from ASTM F136 titanium and features a prong set clear cz gem and a heart shaped disk back.Itisinternally threaded and is size 16G. 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. Sparklingchoice for your tragus or cartilage piercings! Sold individually.