Gem gold PVD U shape ear piercing barbell. 1.2mm Gauge (US 16g), 4mm internal diameter. U shaped barbell fitted with two sparkling clear crystal gems. Gem size: 2.5mm. Especially designed to fit perfectly around side of the ear. Just unscrew one side for easy fitting. Made from highly polished high quality surgical steel, which has been gold PVD treated and cubic zirconia gems. For use in ear piercings such as Helix, Auricle and other Cartilage piercings. Please note that due to the internal diameter of this piece of jewellery it is only suitable for thin cartilage piercings.