Purple and Clear Universal Nipple Ring Set Created with CrystalsProduct Details The next level in nipple piercing jewelry is here with this pair of 14 gauge universal nipple ring created with crystals that can be worn vertically or horizontal with a simple turn of the rotating barbell. So, no matter how your nipple may be pierced, find solace in knowing that this body jewelry will have you covered with its 16mm surgical grade stainless steel barbells with a moveable design of a collection of five various sized