Jewelry Information: Material: 14k Gold Designed For: Helix, Conch, Daith & Septum Ring Thickness: 16g (1.2mm) Ring Diameter: 1/4 (6mm), 5/16 (8mm) , 3/8 (10mm) General sizing for conch piercings start at 3/8 (10mm) Consulting with your piercer for accurate sizing is highly recommended Conch Piercings, Hinged Ring, Piercing Aftercare, Flat Back Earrings, Diamond Gift, Conch Piercing, To Shine, Gold Design, 14kt Gold