Product Details14 Gauge 9/16 White Faux Opal Horseshoe Barbell Nipple Ring Set of 4 This 14 gauge nipple jewelry will keep you covered if you like your piercings to match and keep your look on trend. One pair is made with 14mm durable 316L surgical grade stainless steel circular barbells. They feature 4mm white faux opal ball ends. The other two are 14mm durable 316L surgical grade stainless steel straight barbells. They feature white faux opal ball ends for matching style. Whether you mix or match, keep it on trend with these fabulous nipple piercing rings. Sold as a set of four.Specifications14 Gauge (1.6mm), 9/16" (14mm), 316L Surgical Grade Stainless Steel Circular Barbells, 316L Surgical Grade Stainless Steel Straight Barbells, Faux Opal, Sold as a Set of 4