Material: 316L ASTM F-138 Implant Grad Stainless Steel Gauge: 20g (~0.8mm) Available length: 5mm - 8mm (3/16” – 5/16”) Jewel size: 2mm; Jewel color: Crystal Threading: Internal 0.6mm; Price per 1 post with jewel top This labret post is great to use in your 20g lip piercing, Monroe piercing, medusa piercing, ears, nose; the options are endless. It comes with 0.6mm internally threaded 2mm crystal jewel top. The post is available in sizes 5mm (3/16”) through 8mm (5/16”) and made from the finest material, 316L Implant Grade Stainless Steel.