This gorgeous, 316L Surgical Steel Claw Set Opal Nipple Clicker Ring featuring 7 stones, 3 larger and 4 smaller, with White Synthetic Opal Stones, is the perfect choice for your nipple piercing. Size is 1.6mm gauge, 14mm length. This nipple bar clicks shut making it easy to use. Internal diameter from top to bottom is 8mm. Also available with various gem colours in Steel or Rose Gold Steel.