Twisted hoop piercing - can be used as a helix piercing and a cartilage earring. Requires 2 piercings to wear. This twisted earrings has 2 tiny screw balls and it can be ordered in size 10 mm or 8 mm (inner diameter). The thickness of the piercing is 16 gauge (1.2mm). The cartilage piercing is available in gold or in silver, made from stainless steel. Twisted Hoop Piercing - double piercing