Black aurora CZ screw back plugs! These tunnels are made from black pvd on 316L stainless steel and have a beautiful, black rainbow aurora cz gem that is iridescent and colorful. Screw back design. Wearable area: 6mm. Overall length: 12mm. Available in sizes 8G (3mm) - 1" (25mm). Sold in pairs (2 pcs). For healed lobes.