Sterilized Surgical Steel THIN 16g OPAL Gem with Pave CZs VCH Piercing Barbell. May 05, 2021 Sterilized Surgical Steel THIN 16g OPAL Gem with Pave CZs VCH Piercing Barbell. It is reversible so you can wear the gem on the top or on the bottom, It is thin 16 gauge with 10mm length. ← Older Post Newer Post →